A
A
TermPlain-English Summary
From the beginning; a contract void ab initio is treated as if it never existed.
The voluntary relinquishment of a right, property, or claim with no intent to reclaim it; in criminal law, a defense when a defendant voluntarily withdraws from a crime before it is completed.
Reduction, decrease, or elimination of something, such as a nuisance or a tax obligation.
To flee secretly to avoid legal process, prosecution, or service of civil papers; a person who absconds is called a fugitive.
A condensed history of all recorded documents affecting ownership of a parcel of real property, used to verify a seller's clear title before closing.
An appellate standard finding that a lower court made a clearly unreasonable or arbitrary ruling; the reviewing court may reverse even when the decision was technically within the judge's power.
The misuse of legal proceedings for an improper purpose other than the one for which the process was designed; a civil tort distinct from malicious prosecution.
A contract provision that makes an entire debt immediately due and payable when the borrower misses a payment or violates another term.
A person who assists or facilitates a crime without directly committing it; an accessory before the fact helps plan it, while an accessory after the fact assists the offender after the crime.
A method of settling a debt by agreeing to accept a different performance than originally owed; discharges the original obligation.
Formal court judgment that a defendant is not guilty of criminal charges.
The physical act or conduct that forms the external element of a crime; required alongside guilty intent.
Created for a specific purpose or situation rather than for general ongoing use.
The failure of a specific bequest in a will because the bequeathed property no longer exists in the estate at the testator's death, having been sold, destroyed, or given away.
The formal legal process by which a court hears a dispute and issues a binding decision.
A government body created by a legislature to regulate a specific area, such as the EPA or SEC, with powers to make rules, investigate, and adjudicate disputes.
A legal process that permanently transfers all parental rights and responsibilities from birth parents to adoptive parents, making the adopted child a legal member of the new family.
A legal doctrine allowing a person to acquire ownership of land by openly occupying it without permission for a statutory period.
Written statement of facts given under oath and certified by a notary or other authority.
A legal defense that admits the alleged act but asserts justification or excuse, such as self-defense.
The age at which a person becomes a legal adult with full rights and responsibilities; 18 in most U.S. states.
A legal relationship in which one person (the agent) is authorized to act on behalf of another (the principal), binding the principal to third parties.
Assisting or encouraging another person to commit a crime; a person who aids and abets is criminally liable as a principal even if they did not directly perform the act.
Court-ordered financial support paid by one spouse to another after separation or divorce; also called spousal support or maintenance.
"Friend of the court." A non-party who submits information or arguments to help the court.
A court declaration that a marriage was void from the beginning, as if it never legally existed; distinct from divorce.
A contract breach that occurs when one party declares in advance they will not fulfill their contractual obligations before performance is due.
Federal and state laws that prohibit anti-competitive conduct -- such as price-fixing, monopolization, and market division -- to protect consumers and promote fair market competition.
Authority that a third party reasonably believes an agent has based on the principal's conduct, even if no express authority was granted; binds the principal if the third party acted in good faith.
A request to a higher court to review and potentially reverse a lower court's decision.
A court that reviews decisions made by lower trial courts; it examines the legal record for errors and may affirm, reverse, or remand the case.
Private dispute resolution where a neutral arbitrator issues a binding or non-binding decision.
Court hearing where a defendant is formally charged and enters a plea.
The criminal act of intentionally setting fire to a building, structure, or property; carries severe penalties especially when people are endangered.
The foundational document filed with a state government to legally create a corporation, establishing its basic structure and purpose.
An intentional act causing another person to reasonably fear imminent harmful or offensive contact; does not require physical touching.
A tort defense that bars recovery when a plaintiff voluntarily exposed themselves to a known danger.
Protection granted by a country to someone who has fled their home country as a refugee due to persecution based on race, religion, nationality, political opinion, or membership in a particular social group.
An employment arrangement where either the employer or employee may end the relationship at any time without cause or prior notice, subject to legal exceptions.
A court order seizing a defendant's property at the start of a lawsuit to ensure assets are available to satisfy a potential judgment; prevents the defendant from hiding or transferring the property.
Protects confidential communications between a client and their lawyer from disclosure; belongs to the client.
A legal doctrine holding property owners liable for injuries to child trespassers caused by dangerous conditions that are likely to attract children, such as swimming pools or trampolines.
B
B
TermPlain-English Summary
An immediate injunction that halts all collection actions, lawsuits, foreclosures, and creditor contact against a debtor the moment a bankruptcy petition is filed.
Intentional dishonest or deceptive conduct in a transaction or legal proceeding; in insurance law, an insurer's unreasonable refusal to pay a valid claim or defend its insured can give rise to a bad-faith tort claim.
Money or property deposited to secure a defendant's release before trial.
The temporary transfer of possession of personal property to another who must care for it and return it; no ownership transfers.
A federal legal process that allows individuals or businesses overwhelmed by debt to restructure or discharge obligations under court supervision.
Intentional and unlawful physical contact with another person without consent; both a crime and a civil tort.
A trial decided by a judge alone, without a jury.
A person or entity legally entitled to receive benefits, assets, or proceeds from a will, trust, life insurance policy, or other legal arrangement.
An evidence rule requiring that the original document be produced in court to prove its contents, rather than a copy or verbal description, unless the original is unavailable.
The highest standard of proof in law, required for criminal convictions; the evidence must leave no reasonable doubt of the defendant's guilt.
The splitting of a trial or proceeding into separate phases -- such as trying liability before damages -- to streamline complex cases and focus the fact-finder's attention on distinct issues.
The first ten amendments to the U.S. Constitution, protecting individual liberties such as freedom of speech, religion, and protection against unreasonable searches.
The illegal practice of inducing homeowners to sell cheaply by exploiting fears that members of a racial or ethnic group are moving in; prohibited under the Fair Housing Act.
A judicial remedy that strikes out or rewrites an unenforceable clause -- such as an overly broad non-compete -- while leaving the rest of the contract intact.
A state law regulating the offer and sale of securities to protect investors from fraud; requires registration of offerings and licensed brokers.
A buyer who pays fair value for property in good faith without notice of any prior claims or defects in the seller's title; protected against earlier unrecorded interests.
Failure of one party to fulfill their obligations under a valid contract without legal excuse.
A fiduciary's failure to act in the best interests of the party they owe a duty to, such as a trustee mismanaging trust assets or a director favoring personal gain over shareholders.
Offering, giving, or accepting anything of value to improperly influence an official's action; a crime under federal and state law.
Written legal document submitted to a court presenting facts, arguments, and supporting authority.
The obligation to produce sufficient evidence to raise an issue for the jury's consideration; distinct from the ultimate burden of persuasion.
The obligation to present sufficient evidence to establish a claim. Varies by case type.
Unlawful entry into a structure with intent to commit a crime inside; a felony even if the intended crime is never completed.
A legal presumption protecting corporate directors from personal liability for honest business decisions made in good faith with reasonable care, even if those decisions turn out badly.
A hearsay exception admitting records kept in the ordinary course of business -- such as invoices, medical charts, or call logs -- as evidence if created at or near the time of the event by a person with knowledge.
C
C
TermPlain-English Summary
The legal ability of a person to enter into a binding contract or execute a legal document; minors, those adjudicated incompetent, and severely intoxicated persons may lack capacity.
The legally authorized execution of a person convicted of a capital crime such as first-degree murder; permitted in some U.S. states and under federal law.
The link between a defendant's conduct and the plaintiff's harm; requires both actual cause and proximate cause.
"Let the buyer beware." Places responsibility on the buyer to inspect goods before purchase.
An order from a higher court to review a lower court's case. "Granting cert" means agreeing to hear an appeal.
The documented record tracking evidence from collection through trial, ensuring it was not tampered with or altered.
The chronological sequence of all owners of a parcel of real property from the original grant to the present; a break in the chain can cloud the seller's title.
A court order transferring a case from one jurisdiction to another, often granted to ensure a fair trial when local publicity or other factors might prejudice the jury pool.
A bankruptcy reorganization process primarily used by businesses to restructure debts and operations while continuing to operate, under court supervision, with the goal of returning to profitability.
A federal bankruptcy proceeding in which a debtor's non-exempt assets are liquidated to pay creditors, and most remaining unsecured debts are discharged, giving the debtor a fresh financial start.
A trust whose purpose is to benefit the public or a charitable class rather than private individuals; may enjoy tax-exempt status.
Any tangible, movable personal property -- such as furniture, vehicles, or livestock -- as distinguished from real property (land and structures).
The legal determination of which parent or guardian has the right to make decisions for a child (legal custody) and with whom the child primarily resides (physical custody) after separation or divorce.
Court-ordered periodic payments made by a non-custodial parent to support a child's financial needs after separation or divorce, calculated based on both parents' income and the child's needs.
Rules courts use to determine which state's or country's law governs a dispute involving parties or events from multiple jurisdictions.
Evidence that implies a fact indirectly rather than proving it directly; a conviction may rest entirely on strong circumstantial evidence.
Law governing private disputes between individuals or organizations; remedies are usually money damages.
The rights of individuals to equal treatment under the law and freedom from discrimination based on race, religion, sex, national origin, and other protected characteristics.
A lawsuit where a large group of plaintiffs with similar claims sues a defendant together as one case.
A contractual or regulatory provision requiring the return of previously paid compensation or bonuses, typically triggered by fraud, restatement of financial results, or policy violations.
A standard of proof higher than preponderance but below "beyond a reasonable doubt," requiring evidence that makes a claim highly probable.
The final step in a real estate transaction in which documents are signed, funds are disbursed, and legal title transfers from the seller to the buyer.
The final statement each attorney makes to the jury summarizing the evidence and urging a verdict in their client's favor; no new evidence is introduced.
Any claim, lien, or encumbrance in the public record that may impair or cast doubt on the owner's clear title to real property; must be removed before a clean sale can close.
A legally executed document that amends, modifies, or adds to an existing will, without requiring the entire will to be rewritten, executed with the same formalities as the original.
The use of force, threats, or intimidation to compel a person to act against their free will; a defense that may void a contract.
Living together in an intimate relationship without formal marriage; legally relevant to spousal support termination clauses, property rights, and whether the state recognizes a common-law marriage.
Property or assets pledged as security for a loan; if the borrower defaults, the lender may seize the collateral to satisfy the debt.
A doctrine preventing re-litigation of an issue that was already conclusively decided in a prior lawsuit between the same parties; bars re-arguing settled factual or legal questions.
The process by which a union negotiates wages, hours, and working conditions with an employer on behalf of its members, resulting in a collective bargaining agreement.
Mixing a client's or principal's funds with one's own; prohibited for attorneys and fiduciaries as it makes accounting and protection of funds difficult.
Law derived from court decisions and precedent rather than statutes.
A legally recognized marriage arising from cohabitation and mutual intent to be married, without a formal ceremony; recognized in a minority of U.S. states and carries full spousal rights.
A tort doctrine that reduces the plaintiff's damages award in proportion to their share of fault for the injury; in pure comparative negligence even a mostly-at-fault plaintiff may recover.
Money awarded to make an injured party whole by covering actual losses -- medical bills, lost wages, and pain and suffering.
A criminal defendant's legal capacity to understand the charges and assist in their own defense; a court must suspend proceedings and hold a competency hearing whenever the defendant's mental capacity is genuinely in doubt.
The initial document filed with a court that starts a civil lawsuit, identifying parties and claims.
The authority shared by two or more courts -- federal and state, or two state courts -- to hear the same type of case.
Multiple prison terms served simultaneously rather than back-to-back; a defendant sentenced to three concurrent five-year terms serves five years total, not fifteen.
The government process of taking private property for public use under eminent domain, requiring payment of just compensation; also used for a government declaration that a structure is unsafe or unfit for occupancy.
A contract or legal provision requiring a specific event or action to occur before a party's obligation under the agreement becomes active or enforceable.
A contractual event that, if it occurs after a party's duty has arisen, discharges that duty or terminates an existing right.
A situation in which a person's private interests could improperly influence their professional duties; attorneys, fiduciaries, and public officials must disclose or avoid such conflicts.
A court order memorializing an agreement between the parties -- often the government and a company -- to resolve a dispute without admitting liability; binding and enforceable as a court judgment.
A court-ordered arrangement in which one person manages the financial affairs or personal care of another who cannot do so due to incapacity.
Something of value exchanged between parties that makes a contract legally binding; without consideration an agreement is generally unenforceable as a gift.
An agreement between two or more persons to commit an unlawful act; generally punishable as a separate crime from the target offense, even if the planned crime never occurs.
An employment law theory treating an employee's resignation as an involuntary termination because the employer deliberately made working conditions so intolerable that a reasonable person would feel compelled to quit.
A landlord's acts or omissions that so substantially interfere with a tenant's use of the premises that the tenant is forced to vacate; treated as a breach of the implied warranty of habitability.
Legal knowledge a person is presumed to have because the information was publicly recorded or available, even if they never actually saw it.
Willful disobedience or disrespect toward a court's authority or orders.
A court-granted postponement of a scheduled hearing, trial, or other proceeding to a later date, requested by a party or granted by the judge for good cause.
A legally binding agreement between two or more parties creating mutual obligations enforceable by law.
A traditional tort doctrine barring any recovery by a plaintiff who contributed even slightly to their own injury; largely replaced by comparative negligence in most states.
A civil tort (and sometimes a crime) involving the intentional, unauthorized taking or use of another person's personal property in a way that deprives the owner of it; the civil equivalent of theft.
The legal transfer of an interest in real property from one party to another, typically by deed; the term also refers to the written instrument itself effecting the transfer.
An automatic legal right protecting original creative works -- books, music, films, software -- giving the creator exclusive rights to reproduce, distribute, and adapt the work for a set term.
A legal entity owned by shareholders and treated separately from its owners; shareholders are generally not personally liable for corporate debts.
"Body of the crime." Concrete evidence proving a crime actually occurred.
A claim filed by a defendant against the plaintiff within the same lawsuit.
Punishment prohibited by the Eighth Amendment to the U.S. Constitution as being grossly disproportionate to the offense, torturous, or inconsistent with evolving standards of decency.
An equitable doctrine allowing a court to redirect charitable trust funds or a class action settlement to a purpose as close as possible to the original intent when the exact purpose becomes impossible or impractical.
Criminal activity carried out using computers or the internet, including hacking, identity theft, ransomware, and online fraud.
D
D
TermPlain-English Summary
Money awarded by a court to compensate for losses caused by another's wrongful act.
Existing in practice or reality, regardless of formal or legal recognition.
Existing by law or legal right, as formally established by statute or court order.
Latin for "about minimal things"; describes something so trivial or small in scale that the law will not regard it -- used to dismiss minor technical violations, de minimis tax effects, or negligible contract breaches.
Force likely to cause death or serious bodily harm; its use is legally justified only under specific circumstances such as an imminent threat to life.
A court ruling that defines the legal rights of the parties without ordering specific action or awarding damages; resolves uncertainty before a dispute escalates.
A signed legal document that transfers ownership of real property from one party to another; must be delivered and accepted to be effective.
A false statement of fact that injures a person's reputation; includes libel (written) and slander (spoken).
A court ruling for one party because the other failed to appear or respond to the lawsuit.
The person or entity being sued (civil) or accused of a crime (criminal).
A court order requiring a borrower to pay the remaining balance on a debt after the collateral -- typically a foreclosed property -- has been sold for less than what is owed.
A legal standard requiring proof that a government official was subjectively aware of a substantial risk of serious harm and consciously disregarded it; used in civil rights and prisoner mistreatment cases.
A formal written notice sent by one party to another stating a legal claim, demanding specific action (usually payment or cure of a breach), and warning that legal proceedings will follow if the demand is not met.
A legal motion arguing that even if all the facts alleged in the opposing party's pleading are true, they are legally insufficient to support the claim or defense, and the case should be dismissed.
The formal removal of a foreign national from a country for violating immigration law or other grounds; known as "removal" in current U.S. immigration law.
Sworn testimony given outside of court during the pre-trial discovery process.
A lawsuit brought by a shareholder on behalf of a corporation to enforce a right that the corporation itself has failed to pursue, typically against directors or officers for breach of fiduciary duty.
A judicial statement in an opinion not necessary to the court's decision; not binding precedent.
Evidence that directly proves a fact without requiring an inference, such as an eyewitness account or a video recording of the event.
A ruling by a judge during trial that the evidence is insufficient for a reasonable jury to find for one side, effectively ending the case in the other party's favor without jury deliberation.
The permanent revocation of an attorney's license to practice law as a disciplinary penalty for serious professional misconduct.
The release of a debtor from personal liability for certain debts in bankruptcy; also the termination of a contractual obligation.
A statement denying responsibility, liability, or warranty; in law, also the voluntary renunciation of an inheritance or estate interest.
Pre-trial process where parties exchange evidence and information.
A court-ordered remedy requiring a wrongdoer to give up profits or benefits gained through illegal or improper conduct; used in securities and antitrust enforcement.
A court's termination of a lawsuit without a full trial; may be with or without prejudice.
A minor criminal offense covering behavior that disturbs the public peace -- such as fighting, creating excessive noise, or using threatening language in public; penalties range from fines to short jail terms.
A false or misleading statement that belittles a competitor's goods or services, causing economic harm; also called trade libel or commercial defamation.
A legal theory under which a facially neutral policy that disproportionately harms a protected class can be challenged as discriminatory, even without proof of discriminatory intent.
The legal termination of a marriage, business entity, or other legal relationship, bringing its rights and obligations to an end.
The legal dissolution of a marriage by a court, ending the marital relationship and addressing division of property, child custody, and support obligations.
The official court calendar listing scheduled cases and proceedings; also the court's official record of all filings and actions in a case.
Any evidence presented in the form of documents -- contracts, emails, photographs, bank records, or medical charts -- that must be properly authenticated before admission at trial.
A pattern of abusive behavior -- physical, emotional, sexual, or financial -- used by one person to gain or maintain power over an intimate partner; subject to criminal prosecution and protective orders.
The place a person considers their permanent, fixed home and principal establishment; determines which state's laws govern personal matters like divorce, inheritance, and taxation.
Constitutional protection preventing a person from being tried twice for the same crime after acquittal or conviction.
Legal liability imposed on bars, restaurants, or liquor stores that sell alcohol to a visibly intoxicated person or a minor who later causes injury; most states have dram shop acts creating this civil cause of action.
A thorough investigation of a person, business, or transaction before entering into a contract or agreement to identify risks and verify material facts.
Constitutional guarantee of fair legal procedures before life, liberty, or property is taken.
Wrongful threats or coercion that force a person to act against their free will.
E
E
TermPlain-English Summary
The right to use another's property for a specific, limited purpose without owning it.
The Sixth Amendment right to have a defense attorney whose performance meets an objective standard of reasonableness; a conviction may be reversed if counsel's errors were so serious that they likely changed the outcome.
The process of identifying, preserving, collecting, reviewing, and producing electronically stored information -- emails, documents, databases, social media -- for use in litigation; governed by the Federal Rules of Civil Procedure.
The legal process by which a minor is released from parental control and granted the legal rights of an adult before reaching the age of majority.
The fraudulent taking of money or property entrusted to one's care; a white-collar crime commonly committed by employees, accountants, or fiduciaries.
Government power to take private property for public use, with fair compensation to the owner.
Unlawful treatment of employees or job applicants based on protected characteristics such as race, sex, age, religion, national origin, or disability, prohibited by federal and state laws.
A hearing by all judges of an appellate court sitting together, rather than the usual panel; typically reserved for cases of exceptional importance or to resolve conflicting panel decisions.
Any claim, lien, or liability attached to real property that may reduce its value or restrict its transfer, such as a mortgage, easement, or tax lien.
A criminal defense asserting that law enforcement induced a person to commit a crime they would not otherwise have committed; the key question is whether the criminal intent originated with the government.
The Fourteenth Amendment guarantee that no state shall deny any person the equal protection of its laws; the foundation of constitutional challenges to discrimination by government.
The court-supervised division of marital property upon divorce according to what is fair given the circumstances, rather than an automatic 50/50 split; the standard in most U.S. states.
A doctrine allowing a court to extend a statute of limitations deadline when a claimant could not reasonably have discovered the injury or was prevented from filing by extraordinary circumstances.
Branch of law focused on fairness; provides remedies beyond simple money damages.
A neutral third party holds money, documents, or property until specified conditions are met; commonly used in real estate closings to ensure both sides fulfill their obligations before funds transfer.
Doctrine preventing a party from taking a position contradicting what they previously represented when another relied on it.
The legal process by which a landlord removes a tenant from a rental property after serving proper written notice and obtaining a court order.
Information, documents, or objects presented in court to prove or disprove facts.
A legal proceeding involving only one party, without the other side present.
A law that retroactively criminalizes conduct or increases punishment; prohibited by the U.S. Constitution.
A constitutional doctrine barring evidence obtained in violation of a defendant's Fourth Amendment rights from being used in a criminal prosecution.
A contract provision that attempts to limit or eliminate a party's liability for their own negligence; courts may refuse to enforce unconscionable ones.
Evidence favorable to a criminal defendant that tends to clear them of guilt; prosecutors are constitutionally required to disclose it to the defense.
A person named in a will and appointed by the court to administer the estate of a deceased person, including gathering assets, paying debts, and distributing property to beneficiaries.
The doctrine requiring a party to pursue all available administrative or lower-level remedies before seeking judicial review; courts may dismiss premature cases until this requirement is satisfied.
The official clearance of a person from blame or criminal liability, often through a pardon, successful appeal, or DNA evidence; also used when a surety's obligation is discharged.
A qualified specialist permitted to give opinion testimony in court to help the jury understand technical matters.
A contract whose terms are clearly and explicitly stated, either in writing or orally, leaving no room for inference; contrasted with an implied contract formed by conduct.
Government seizure or transfer of privately owned property -- including intellectual property or business assets -- often for public use or policy reasons, typically with compensation.
F
F
TermPlain-English Summary
The crime of obtaining money, property, or services from another through threats, coercion, or abuse of power; commonly known as blackmail when the threat involves revealing damaging information.
The formal legal process by which one jurisdiction surrenders a person accused or convicted of a crime to another jurisdiction; governed by treaties for international extradition and by the Extradition Clause for interstate transfers.
A copyright doctrine permitting limited use of protected material -- for commentary, education, parody, or news -- without the owner's permission; courts weigh four factors including purpose and market impact.
Unlawfully restraining or confining a person without consent or legal authority; a tort and in some cases a crime.
The crime of intentionally misrepresenting a material fact to obtain another's property; unlike larceny, the victim voluntarily transfers ownership based on the fraudulent misrepresentation.
A federal court's authority to hear cases arising under the U.S. Constitution, federal statutes, or treaties; allows plaintiffs to file in federal court without meeting a dollar threshold, unlike diversity jurisdiction.
A legal rule requiring the losing party to pay the winning party's attorney fees; the default American Rule requires each side to pay its own fees, but many statutes (civil rights, environmental, consumer) shift fees to deter frivolous defenses.
The most complete form of real property ownership in common law, granting unrestricted rights to use, sell, mortgage, or transfer the property.
A serious criminal offense generally punishable by more than one year in prison.
A doctrine holding that a person who commits a felony can be charged with murder if a death occurs during the commission of that felony, even if the death was unintended.
Person with a legal duty to act in the best interests of another party.
The constitutional provision prohibiting government from restricting freedom of speech, religion, the press, peaceful assembly, and the right to petition; it does not apply to private employers or platforms.
Personal property that has been so permanently attached to real estate that it is legally treated as part of the land; relevant in property sales and lease disputes about what transfers with the building.
Contract clause excusing non-performance when an extraordinary event beyond either party's control occurs.
The legal process by which a lender takes ownership of a mortgaged property after the borrower defaults on loan payments.
Physical or scientific evidence -- DNA, fingerprints, digital data -- analyzed by experts to assist in investigating or prosecuting a crime.
The loss of property, money, or rights as a penalty for illegal conduct; may occur through civil asset forfeiture (no conviction required) or criminal forfeiture (post-conviction).
A doctrine allowing a court to dismiss a case in favor of a more convenient or appropriate forum in another jurisdiction, even if the court technically has jurisdiction.
A contract provision designating the court or jurisdiction where disputes between the parties must be litigated; generally enforceable unless fundamentally unfair.
A license granted by a franchisor to a franchisee to operate a business using the franchisor's brand, systems, and support in exchange for fees and royalties.
A deliberate act of deception to obtain an unlawful gain or deprive another of a right or property.
A transfer of property made with intent to hinder, delay, or defraud creditors; courts may set aside such transfers to satisfy creditor claims.
A Fourth Amendment evidentiary doctrine that bars not only illegally obtained evidence but also any secondary evidence derived from it; if the "tree" (original search) is tainted, the "fruit" (derivative evidence) is inadmissible too.
A contract defense that excuses a party's performance when an unforeseen event destroys the fundamental reason for entering the contract, even though performance is still technically possible.
The constitutional obligation requiring each state to recognize and enforce the valid laws, court judgments, and public acts of other states.
G
G
TermPlain-English Summary
A court order prohibiting parties, attorneys, or others connected to a case from publicly discussing it; issued to protect a defendant's right to a fair trial or safeguard sensitive information.
Court-ordered process allowing a creditor to collect a debt directly from the debtor's employer or bank.
Compensation for intangible, non-economic losses -- pain and suffering, emotional distress, loss of enjoyment -- that naturally result from the defendant's wrong and do not require specific dollar proof.
A court's authority to hear any type of civil case, regardless of subject matter; at the personal level, a state has general jurisdiction over defendants domiciled there.
An honest, sincere intent to deal fairly without deceit or intent to gain unconscionable advantage.
A statute shielding people who voluntarily render emergency aid from civil liability for ordinary negligence, encouraging bystanders to help without fear of being sued.
Citizens who review prosecution evidence and decide whether to issue a formal indictment.
A deed in which the grantor warrants they have not previously conveyed the property to anyone else and that there are no undisclosed encumbrances; commonly used in California real estate transactions.
The party who transfers an interest in property -- real or personal -- or who creates a trust by transferring assets into it; in deeds, the grantor signs and delivers the document to the grantee.
A severe degree of negligence showing conscious disregard for the safety of others; more culpable than ordinary negligence and may support punitive damages.
Court-appointed person who represents the interests of a minor or incapacitated party in a specific case.
A court-established legal relationship in which one person (guardian) is authorized to care for and make decisions for another who cannot care for themselves.
H
H
TermPlain-English Summary
"You shall have the body." A right requiring authorities to justify why someone is imprisoned.
The legal standard requiring rental housing to be safe and livable; landlords have an implied warranty of habitability and tenants may withhold rent or terminate if violated.
A person convicted of multiple crimes, often triggering enhanced sentencing under recidivist statutes such as three-strikes laws that impose mandatory minimum or life sentences upon a specified number of felony convictions.
Unwanted conduct -- based on a protected characteristic such as race, sex, or religion -- that creates a hostile, intimidating, or abusive environment; prohibited by employment discrimination law.
A trial court mistake that an appellate court finds did not affect the outcome of the case and therefore does not warrant reversal; the error was "harmless" because it caused no prejudice.
A formal proceeding before a judge or administrative officer at which evidence is presented and arguments are made; may be a preliminary step before a full trial.
Out-of-court statement offered to prove the truth of its contents; generally not admissible.
Contractual clause where one party agrees not to hold the other legally responsible for specified harms.
A person who acquires a negotiable instrument in good faith, for value, and without notice of defects; protected from most defenses the original issuer could assert against a prior holder.
A tenant who continues to occupy a rental property after the lease has expired without the landlord's consent; may be treated as a trespasser or held to a new tenancy on the original lease terms.
A legal protection that shields a primary residence from forced sale by creditors and may reduce property taxes.
The killing of one human being by another; not all homicide is criminal -- it can be classified as murder, manslaughter, or justifiable homicide depending on intent and circumstances.
The acquisition of a company against the wishes of its board of directors, typically through a direct tender offer to shareholders or a proxy fight to replace the board.
A witness whose testimony is unfavorable to the party who called them, allowing leading questions on examination.
The right of law enforcement to chase a fleeing suspect across jurisdictional boundaries without stopping to obtain a warrant; an exception to the Fourth Amendment's warrant requirement.
A jury that cannot reach a unanimous verdict, resulting in a mistrial and possible retrial.
Pledging an asset as collateral for a loan without transferring ownership or possession; the borrower keeps using the asset unless they default.
I
I
TermPlain-English Summary
The unauthorized use of another person's personal identifying information -- Social Security number, credit card, or financial account -- to commit fraud or obtain goods and services; a federal felony under 18 U.S.C. SS 1028.
Protection from prosecution or liability, often granted in exchange for cooperation.
The process of attacking a witness's credibility at trial using prior inconsistent statements, bias, criminal convictions, or other evidence to make their testimony less believable.
Consent inferred from a person's conduct, circumstances, or prior agreement rather than expressed in words; most U.S. states have implied-consent laws requiring drivers to submit to chemical sobriety testing, with license suspension as the penalty for refusal.
A legally binding contract formed by the conduct, circumstances, or relationship of the parties rather than by explicit written or spoken words.
A legally imposed guarantee arising by operation of law rather than express agreement; the implied warranty of merchantability ensures goods are fit for ordinary use.
A contract defense that excuses a party's obligation to perform when an unforeseen event makes performance objectively impossible; distinguished from mere difficulty or commercial impracticability.
A doctrine attributing another person's negligent conduct to a defendant based on their legal relationship -- such as employer-employee -- regardless of the defendant's own fault.
A proceeding conducted privately in a judge's chambers or outside public view.
Permission to proceed in court without paying filing fees due to financial hardship.
"In the place of a parent." A doctrine under which a school, institution, or other party temporarily assumes parental rights and responsibilities over a child.
Jurisdiction or legal action directed against a specific person rather than property.
Jurisdiction or legal action directed against property rather than a specific person.
Lack of legal ability to enter contracts, testify, or stand trial; minors, severely intoxicated persons, and those declared mentally incompetent may lack capacity.
A crime consisting of actions taken toward committing another crime -- such as attempt, conspiracy, or solicitation -- even if the underlying crime is never completed.
Contractual obligation by which one party agrees to compensate another for losses from specified events.
A person who contracts to perform work for another but retains control over the means and methods; not an employee, so the hiring party generally bears no vicarious liability for their torts.
Formal criminal charge issued by a grand jury based on probable cause.
A party whose presence is essential to complete adjudication of a dispute -- because their interests would be significantly affected -- and without whom the court cannot proceed.
A person's voluntary, knowledgeable agreement to a medical procedure or legal action after receiving a full explanation of risks, benefits, and alternatives.
The lowest category of legal violation -- typically a minor traffic or municipal offense -- that is punishable only by a fine and carries no jail time or criminal record.
Unauthorized use, reproduction, or distribution of a protected intellectual property right -- copyright, trademark, or patent -- creating civil liability and possible criminal penalties.
Court order requiring someone to do or stop doing a specific action.
Buying or selling a company's securities based on material, non-public information in breach of a fiduciary duty or other relationship of trust; a federal securities law violation.
A financial condition in which a person or entity cannot meet their debts as they come due or has more liabilities than assets; a gateway to bankruptcy proceedings.
A financial stake in the subject of an insurance policy such that the insured would suffer a genuine loss if the covered event occurred; required for a policy to be legally valid.
Legal rights protecting creations of the mind -- patents, copyrights, trademarks, and trade secrets.
A tort allowing recovery for severe emotional distress caused by a defendant's extreme and outrageous conduct that goes beyond mere rudeness or insults; sometimes abbreviated IIED.
A transfer or legal arrangement that takes effect during the lifetime of the person making it.
A court order or ruling issued during ongoing litigation that resolves a procedural or interim matter but does not finally decide the case; generally not immediately appealable.
The body of rules and principles that govern relations between sovereign nations, including treaties, customary international law, and the decisions of international tribunals such as the International Court of Justice.
A procedural device allowing a party holding disputed property or funds to deposit them with the court and let the court determine which of several competing claimants is entitled to them.
Written questions submitted in a lawsuit that must be answered under oath as part of discovery.
Dying without a valid will; the estate is then distributed according to the state's intestate succession laws.
A tort covering four distinct wrongs: intrusion upon seclusion, public disclosure of private facts, false light, and appropriation of name or likeness -- each protecting a different aspect of personal privacy.
J
J
TermPlain-English Summary
The procedural act of joining multiple parties or claims in a single lawsuit to promote efficiency; may be compulsory (required) or permissive (optional).
Each of multiple defendants is fully responsible for the entire damages, not just their share.
Co-ownership of property where each owner holds an equal share with the right of survivorship -- when one owner dies their share passes automatically to the survivor(s).
A business arrangement in which two or more parties pool resources for a specific project while remaining independent entities; each party shares profits, losses, and control.
The official final decision of a court resolving the legal questions in a case.
A lien on a debtor's property that arises automatically when a court enters a money judgment against them; prevents the debtor from selling or refinancing without satisfying the debt.
A doctrine preventing a party from taking a position in a legal proceeding that is inconsistent with a position they successfully asserted in a prior proceeding.
Absolute protection shielding judges from civil liability for acts taken in their judicial capacity, regardless of whether the decision was erroneous or made in bad faith; preserves judicial independence.
A court's acceptance of a well-known fact as true without requiring formal proof, such as that a certain date fell on a Tuesday or that water boils at 100 degrees Celsius.
The power of courts to examine laws and government actions and declare them unconstitutional or invalid.
A court's legal authority to hear a particular case or govern certain parties or territory.
Citizens selected to hear evidence and render a verdict in a legal proceeding.
The payment the government must make to a property owner when taking private property under eminent domain; typically equals fair market value at the time of the taking.
K
K
TermPlain-English Summary
The unlawful seizure and carrying away of a person against their will by force, threat, or deception; becomes a federal offense when the victim is transported across state lines.
The constitutional requirement that law enforcement officers announce their presence and purpose before forcibly entering a private dwelling to execute a warrant.
A criminal intent standard requiring the defendant was aware their conduct would produce a specific result.
L
L
TermPlain-English Summary
An equitable defense that bars a claim when the party unreasonably delayed asserting it and the delay prejudiced the opposing party; the equitable counterpart to a statute of limitations.
The unlawful taking and carrying away of someone else's property with intent to permanently deprive them of it.
A common-law doctrine allowing a negligent plaintiff to recover if the defendant had the last opportunity to avoid the accident and failed to do so; largely replaced by comparative negligence.
A procedural doctrine that binds subsequent proceedings in the same case to legal rulings already made; prevents relitigation of issues already resolved by the same or a higher court.
A question that suggests the desired answer in its phrasing; generally permitted on cross-examination but not during direct examination of one's own witness.
A contract granting temporary use of property (real or personal) in exchange for periodic payments, with terms governing the rights and obligations of both parties.
A possessory interest in real property held by a tenant under a lease for a defined period; the right to occupy returns to the landlord when the lease expires.
A gift of personal property -- typically money -- left to a beneficiary under a will; sometimes used broadly to mean any testamentary gift.
Free or reduced-cost legal services for individuals who cannot afford private legal representation.
Currency officially recognized by law as a valid means of payment for debts and that must be accepted by creditors when offered.
A preliminary, often non-binding document outlining the key terms parties intend to include in a final contract; commonly used in mergers, acquisitions, and real estate deals.
Legal responsibility for one's acts or omissions; the foundation of most civil lawsuits.
Written or published defamation -- a false statement of fact that harms a person's reputation.
Legal claim against property used as security for a debt.
Real property ownership limited to the duration of a designated person's lifetime; the life tenant may use the property but cannot sell it outright, and ownership passes to the remainderman upon death.
A flexible business structure combining the limited liability protection of a corporation with the pass-through taxation of a partnership; owners are called members.
A sum specified in a contract that both parties agree is a reasonable estimate of damages if a breach occurs; enforceable if not a penalty.
The process of converting a company's assets into cash to pay creditors, typically in a Chapter 7 bankruptcy; after all assets are sold and creditors paid in priority order, the company ceases to exist.
A recorded legal notice warning that a lawsuit affecting a specific parcel of real property is pending; puts prospective buyers on notice that the title may be clouded by the litigation.
The process of resolving a legal dispute through the court system.
M
M
TermPlain-English Summary
A legal document stating a person's wishes about end-of-life medical treatment if they become incapacitated; distinct from a healthcare proxy, which designates someone to make decisions.
A derivative tort claim by a spouse or family member seeking compensation for loss of companionship, affection, and support resulting from injuries caused to their loved one by a defendant.
The deliberate intent to kill or cause serious harm that must be proven for first-degree murder; distinguishes murder from manslaughter.
A tort claim for damages when someone initiates a criminal or civil case without probable cause and with malice, and the case ends in the defendant's favor.
Professional negligence by a licensed professional (doctor, lawyer, etc.) causing harm.
Latin for "wrong in itself"; conduct that is inherently immoral or evil regardless of whether the law prohibits it -- such as murder, rape, or theft -- as distinguished from acts that are wrong only because a statute forbids them.
Latin for "wrong because prohibited"; conduct that is not inherently immoral but is illegal only because a statute or regulation forbids it -- such as jaywalking, filing a late tax return, or operating a business without a license.
The unlawful killing of a person without the premeditation required for murder; voluntary manslaughter occurs in the heat of passion, involuntary manslaughter results from criminal negligence or recklessness.
Two distinct evidentiary protections: the spousal testimonial privilege (one spouse may refuse to testify against the other in a criminal case) and the marital communications privilege (confidential communications between spouses are protected from disclosure).
Assets and debts acquired by spouses during marriage that are subject to division upon divorce; separate property owned before marriage or received as gifts is generally excluded.
The price a willing buyer would pay and a willing seller would accept for property in an arm's-length transaction; the standard used to measure just compensation and property damages.
A significant failure to perform a contract obligation that defeats its purpose, entitling the non-breaching party to suspend performance and sue for damages.
A person with unique knowledge of facts essential to a case, whom a court may compel to testify or, in extreme cases, detain to ensure their appearance.
A legal claim against real property by contractors, subcontractors, or suppliers who provided labor or materials but were not paid; it can block the owner from selling or refinancing until resolved.
A voluntary process where a neutral third party helps disputing parties reach agreement.
"Guilty mind." The intent required to commit a crime.
The combination of two or more companies into a single entity; subject to antitrust review to prevent combinations that substantially reduce competition.
The constitutional standard for personal jurisdiction requiring that a non-resident defendant have sufficient connections to a state -- such as doing business, owning property, or committing a tort there -- so that being sued in that state does not offend fair play and substantial justice.
The legally required lowest hourly rate an employer must pay a covered worker; workers paid below this floor are entitled to back pay regardless of any agreement to the contrary.
Constitutional warnings police must read before custodial interrogation, covering the right to silence and counsel.
A criminal offense less serious than a felony, typically punishable by up to one year in jail.
A false statement of material fact that induces another party to enter a contract; may be fraudulent, negligent, or innocent, and can render the contract voidable.
A trial terminated before a verdict due to a fundamental error, hung jury, or other serious problem.
Facts that do not excuse a crime but reduce the offender's moral blameworthiness, potentially resulting in a lighter sentence.
The duty of an injured party to take reasonable steps to reduce their own losses after a breach or tort; failure to mitigate may reduce the damages the court will award.
The process of disguising the proceeds of illegal activity as legitimate funds by passing them through a series of financial transactions; a federal crime under the Bank Secrecy Act.
Describes a legal question or case that has lost its practical significance -- usually because the underlying dispute has been resolved, the parties have changed, or time has rendered the controversy academic -- leaving no live controversy for the court to decide.
A loan secured by real property in which the borrower pledges the property as collateral; failure to repay gives the lender the right to foreclose and sell the property.
A formal request to a court asking for a specific ruling, order, or action.
N
N
TermPlain-English Summary
A pretrial motion asking the court to exclude specific evidence from trial to prevent the jury from hearing prejudicial, irrelevant, or inadmissible information.
A pretrial motion asking the court to terminate a case or claim because the complaint fails to state a legally sufficient claim, the court lacks jurisdiction, or other threshold defects exist; in federal court governed by Rule 12(b).
The unlawful killing of another person with malice aforethought; classified as first degree (premeditated), second degree (intentional but not premeditated), or felony murder.
The meeting of the minds required to form a contract -- both parties must agree to the same terms at the same time, evidenced by a valid offer and an unequivocal acceptance.
A contract defense available when both parties shared the same fundamental misunderstanding of a material fact at the time of contracting; may make the contract voidable.
The legal process by which a non-citizen acquires citizenship; in the U.S., requirements include lawful permanent residence, good moral character, English proficiency, and passing a civics test.
Failing to exercise reasonable care, resulting in harm to another person.
A doctrine that treats violation of a statute or regulation as automatic negligence, eliminating the need to separately prove the reasonable-person standard was breached.
A false statement of material fact made without reasonable grounds for believing it to be true; the speaker owes a duty to the plaintiff, who justifiably relied on the statement to their detriment.
The closest living blood relatives of a person; first in line to inherit under intestate succession and may be authorized to make medical decisions for an incapacitated person.
A provision in a will or trust that disinherits any beneficiary who challenges the validity of the document in court; intended to discourage litigation over the estate.
A divorce granted without requiring either spouse to prove wrongdoing; available in all U.S. states, typically on grounds of irreconcilable differences or irretrievable breakdown of the marriage.
A plea accepting punishment without admitting or denying the charges.
A small, symbolic sum awarded when a legal right has been violated but no actual harm was proven; acknowledges the infringement without compensating for a loss.
A contract restricting an employee from working for competitors or starting a competing business for a specified time and geographic area after leaving an employer; enforceability varies by state.
Binding contract requiring parties to keep specified information confidential; also called an NDA.
A judgment entered against a plaintiff who fails to appear at trial, fails to present sufficient evidence, or voluntarily withdraws the case before a final verdict.
A canon of statutory interpretation holding that an ambiguous word should be understood in the context of surrounding words; its meaning is known by the company it keeps.
An official authorized to witness signatures, administer oaths, and certify documents.
Formal communication informing a party of a legal action, obligation, or rights; a cornerstone of due process.
The substitution of a new contract, obligation, or party for an existing one, with all parties' consent, discharging the old obligation entirely.
An unreasonable interference with someone's use and enjoyment of their property; can be public (affecting a community) or private (affecting an individual).
"Now for then." A court order that corrects the record to reflect something that should have been done at an earlier date, giving it retroactive effect.
O
O
TermPlain-English Summary
A formal protest by an attorney challenging the admissibility of evidence or opposing conduct.
The crime of interfering with, impeding, or influencing a judicial or law enforcement proceeding, including lying to investigators, destroying evidence, or bribing witnesses.
A clear proposal to enter into a contract on specific terms; once accepted it creates a binding agreement.
A statement made to the court -- typically outside the jury's hearing -- explaining the substance of excluded evidence and why it is admissible; preserves the issue for appeal.
A government or institutional official who investigates complaints from individuals about unfair treatment or rights violations by public bodies.
A Fourth Amendment rule holding that police do not need a warrant to enter or search open land beyond the curtilage of a home, as there is no reasonable expectation of privacy in open fields.
Each attorney's introductory address to the jury at the start of a trial, previewing the evidence they intend to present; not itself evidence.
Written statement by a judge or panel explaining the legal reasoning behind a court's decision.
An agreement giving one party the right, but not the obligation, to buy or sell an asset at a specified price within a set period; the option holder pays a premium for this right.
Formal directive from a court commanding a party to do or refrain from doing something.
A law enacted by a local government body such as a city or county council, covering matters like zoning, noise, and building codes within its jurisdiction.
The authority of a court to hear a case for the first time, as opposed to appellate jurisdiction; the U.S. Supreme Court has original jurisdiction over disputes between states.
P
P
TermPlain-English Summary
"Parent of the country." The state's authority to act as guardian of individuals who cannot protect themselves, such as minors or persons with mental disabilities.
A contract rule preventing parties from using prior oral or written statements to contradict or vary the terms of a final, integrated written agreement; exceptions apply for fraud and ambiguity.
The conditional early release of a prisoner who has served part of their sentence, under supervision and subject to conditions that, if violated, may return them to prison.
A court-ordered division of jointly owned real property among co-owners; if physical division is impractical, the court may order the property sold and proceeds split.
A business relationship in which two or more persons carry on a business together for profit; in a general partnership, all partners share management and bear unlimited personal liability.
A business structure -- such as an LLC, partnership, or S-corporation -- in which income and losses flow directly to the owners' personal tax returns, avoiding corporate-level taxation.
A government-granted exclusive right giving an inventor control over their invention for typically 20 years in exchange for public disclosure; prevents others from making, using, or selling the invention without permission.
An opinion issued collectively by the court without attribution to a single judge.
In antitrust law, a category of agreements -- such as price-fixing and market allocation -- that are automatically illegal without any need to analyze their competitive effects.
An attorney's right to dismiss a limited number of prospective jurors without giving a reason; may not be used to exclude jurors based on race or sex.
The crime of willfully lying under oath in a legal proceeding.
A court's legal authority over a specific defendant, obtained through the defendant's presence, domicile, consent, or sufficient contacts with the forum state.
All property other than real estate -- including tangible items such as vehicles, furniture, and jewelry, and intangible assets such as stocks, bank accounts, and intellectual property rights.
The party who files a petition with a court -- such as a petition for certiorari, habeas corpus, or guardianship; the petitioner initiates the proceeding and bears the initial burden of establishing the basis for the court's action.
A judicial doctrine that disregards a corporation's separate legal status and holds shareholders personally liable when the corporation is used as a shield for fraud or when corporate formalities are ignored.
The party who initiates a civil lawsuit by filing a complaint.
A defendant's formal response to criminal charges: guilty, not guilty, or no contest.
A negotiated agreement in which a defendant pleads guilty to a lesser charge or receives a reduced sentence in exchange for avoiding a full trial.
A formal written statement filed with the court outlining a party's claims or defenses.
Full, complete, or absolute authority over a subject matter; in constitutional law often used to describe Congress's unreviewable control over immigration and foreign affairs.
The inherent authority of state governments to enact laws protecting public health, safety, morals, and general welfare, forming the constitutional basis for most regulatory legislation.
A child born after the death of the father; most states treat such a child as a legal heir entitled to inherit under intestate succession statutes.
Legal document granting someone authority to act on another person's behalf.
A prior court decision that guides how future similar cases are decided.
The constitutional doctrine by which federal law supersedes conflicting state law under the Supremacy Clause; a state law is preempted if it conflicts with or stands as an obstacle to federal law.
The legal responsibility of a property owner to maintain safe conditions and compensate persons injured by hazards on the property; the duty of care owed varies based on the visitor's legal status.
A legal contract signed by two people before marriage specifying how assets, debts, and property will be divided in the event of divorce, separation, or death.
The standard of proof in most civil cases: the evidence shows it is more likely than not (over 50%) that the claim is true.
A meeting between the judge and attorneys before trial to narrow issues, schedule deadlines, discuss potential settlement, and streamline the proceedings.
"At first appearance." Evidence sufficient to prove a fact unless contradicted.
Legal services provided voluntarily without charge, for the public good.
Representing oneself in a legal proceeding without an attorney.
A reasonable basis for believing a crime was committed; required before police can obtain a warrant.
The court-supervised process of authenticating a will, settling debts, and distributing a deceased person's estate to heirs or beneficiaries.
A criminal sentence allowing an offender to remain in the community under court-supervised conditions instead of serving jail time; violation can result in incarceration.
The legal responsibility of manufacturers, sellers, and distributors for injuries caused by defective or unsafe products; claims may be based on negligence, strict liability, or breach of warranty.
A doctrine enforcing a promise -- even without a formal contract -- when someone reasonably relied on it to their detriment.
A written, signed promise to pay a specific sum of money to a named payee on demand or at a stated future date; a common form of negotiable instrument used in lending.
The legal cause of an injury: the defendant's act must be a foreseeable cause of the harm, not merely a remote link in the chain of events.
A government-employed attorney appointed to represent criminal defendants who cannot afford to hire private counsel; established by Gideon v. Wainwright (1963) as a Sixth Amendment right in felony and most misdemeanor cases.
The body of creative works, inventions, and information not protected by intellectual property law -- either because the protection has expired, was never obtained, or was forfeited -- available for anyone to use freely.
Extra damages awarded above actual losses to punish especially reckless or malicious conduct.
Q
Q
TermPlain-English Summary
A legal doctrine shielding government officials from civil liability unless they violated a clearly established statutory or constitutional right that a reasonable person would have known.
"As much as deserved." A quasi-contract remedy allowing recovery of the reasonable value of services rendered when no formal contract exists or when a contract is unenforceable.
To void, cancel, or invalidate a legal order, proceeding, or subpoena.
A legal obligation imposed by courts to prevent unjust enrichment when no actual contract exists; the basis for quantum meruit recovery.
A legal provision allowing private individuals to sue on the government's behalf for fraud.
"Something for something." The exchange of one thing of value for another; the basis of a binding contract.
A covenant in a lease or deed guaranteeing the tenant or buyer the right to use property without interference from the landlord or third parties; substantial interference may allow a claim of constructive eviction.
A lawsuit filed to establish clear ownership of real property and remove any competing claims or clouds on the title.
R
R
TermPlain-English Summary
The formal approval of a previously unauthorized act, making it binding as if originally authorized.
Land and anything permanently attached to it -- buildings, fixtures, and natural resources; contrasted with personal property (chattels) that can be moved.
The objective benchmark in negligence law asking what a hypothetical ordinary, prudent person would have done.
A court-appointed neutral party who takes custody of property or a business during litigation to preserve assets and manage operations pending resolution of the dispute.
The tendency of a previously convicted offender to reoffend after release; measured to evaluate rehabilitation programs and used to justify enhanced sentences for repeat offenders.
A criminal or tort mental state in which a person consciously disregards a substantial and unjustifiable risk; more culpable than negligence but less so than intentional wrongdoing.
A state statute that determines the priority among competing claims to real property based on who first records their interest in the public land records.
A defendant's right to reduce the amount owed to a plaintiff by asserting a counterclaim arising from the same transaction; distinct from setoff, which involves a separate transaction.
To remove a judge, juror, or official from a case due to conflict of interest or bias.
The right of a mortgagor or debtor to reclaim property by paying off the debt, including accrued interest and costs, before or after a foreclosure sale.
An equitable remedy that corrects a written contract to reflect the parties' true agreement when the document, due to mutual mistake or fraud, does not express their actual intent.
A government regulation that goes so far in restricting the use of private property that it is treated as a taking requiring just compensation under the Fifth Amendment, even without physical seizure.
A legal document in which a party voluntarily gives up a claim or right against another party.
An appellate court's order sending a case back to a lower court for further proceedings consistent with the appellate ruling; also used to describe holding a defendant in custody pending trial.
The court-ordered means by which a right is enforced or a wrong is compensated.
An action to recover specific personal property wrongfully taken or detained, along with damages for its unlawful withholding.
"The thing speaks for itself." Negligence inferred from the nature of an accident without direct proof.
"A matter judged." Doctrine barring re-litigation of a claim already finally decided between the same parties.
The cancellation of a contract, returning all parties to their positions before the agreement was made, as if the contract never existed.
"Let the master answer." An employer is legally responsible for torts committed by an employee acting within the scope of their employment.
Compensation ordered to restore a victim to their original position by repaying what was taken.
A court order prohibiting a person from contacting or approaching a protected individual; a Temporary Restraining Order (TRO) may be issued on an emergency basis without prior notice.
An upfront fee paid to an attorney to secure their services; the lawyer draws against it as work is performed and must return any unused portion.
A contractual right giving its holder the option to match any third-party offer to buy or lease a property or business interest before the owner can accept that offer; commonly found in real estate, shareholder agreements, and franchise contracts.
A legal right to pass through or use a portion of another's land for a specific purpose, such as a road or utility line; a form of easement that may be public or private.
The Sixth Amendment guarantee that a criminal defendant has the right to the assistance of an attorney; if the defendant cannot afford one, the government must appoint counsel.
The rights of a landowner whose property borders a waterway to make reasonable use of the water; tied to land ownership and exercised without harming other riparian owners.
The constitutional doctrine requiring that a dispute be sufficiently developed and concrete before a court will consider it; premature cases lack the factual record needed for judicial resolution.
Taking property from another person directly, by force or threat of force; distinguished from theft by the element of immediate personal confrontation.
The process by which administrative agencies create legally binding regulations; federal rulemaking under the APA requires agencies to publish proposed rules, accept public comment, and issue a final rule with a statement of basis and purpose.
S
S
TermPlain-English Summary
A provision in a law or regulation that protects a person or entity from liability if they act in good faith according to specified conditions or guidelines.
A penalty imposed by a court for improper legal conduct, such as filing frivolous claims.
Knowledge of the wrongfulness of an act; a mental state element required for certain crimes and civil claims -- such as securities fraud -- requiring proof that the defendant acted with intent to deceive.
The Fourth Amendment right protecting individuals against unreasonable government searches; law enforcement generally needs a warrant supported by probable cause, and illegally obtained evidence may be excluded at trial.
A lender or creditor whose loan is backed by collateral; if the debtor defaults, the secured creditor has priority over unsecured creditors in claiming the pledged asset.
Deceptive practices in the purchase or sale of securities, including false filings, market manipulation, and Ponzi schemes; enforced by the SEC and DOJ with civil and criminal penalties.
Money paid by a tenant to a landlord before move-in, held as protection against unpaid rent or property damage; state law governs the deadline and itemized requirements for its return.
The legal right to use proportional force to protect oneself from imminent bodily harm.
The constitutional principle dividing government authority among the legislative, executive, and judicial branches to prevent any single branch from accumulating excessive power; enforced through checks and balances.
The isolation of a jury from outside contact during deliberations to prevent improper influence; also a court order setting aside property during litigation to preserve it pending resolution.
The formal delivery of legal documents (summons and complaint) to a defendant, satisfying constitutional due process by notifying them of the lawsuit.
A defendant's right to reduce the plaintiff's damages by asserting an independent monetary claim against the plaintiff; may arise from a different transaction than the underlying suit.
An agreement between lawsuit parties that resolves the dispute without a court judgment.
A clause or doctrine providing that if one provision of a contract or statute is found invalid, the remaining provisions continue in full force and effect.
Unwelcome sexual advances or conduct of a sexual nature in the workplace, prohibited by Title VII; includes quid pro quo harassment and hostile work environment.
An individual or entity that owns shares of stock in a corporation, entitling them to a proportional share of profits, voting rights, and assets upon dissolution.
Spoken defamation -- a false oral statement that damages another person's reputation.
A false statement made to a third party that disparages another's ownership or title to property, causing the owner measurable financial harm.
Spoken defamation so inherently harmful that damages are presumed without proof of actual loss; the four traditional categories are statements falsely accusing someone of a crime, a loathsome disease, sexual misconduct, or unfitness in their profession.
A division of the civil court with simplified procedures and relaxed evidence rules for resolving minor disputes -- typically under $10,000-$25,000 depending on the state -- where parties usually represent themselves without attorneys.
The simplest business structure in which one person owns and operates the business and is personally liable for all its debts and obligations.
The inchoate crime of enticing, requesting, or commanding another person to commit a crime; the offense is complete when the request is made, regardless of whether the target crime ever occurs.
The legal doctrine shielding government entities from lawsuits without their consent; partially waived in the U.S. by statutes like the Federal Tort Claims Act.
Quantifiable economic losses -- medical bills, lost wages, property repair -- directly caused by a defendant's wrongful act; must be specifically pleaded and proven.
A court-appointed officer who assists the judge by managing complex discovery, overseeing compliance with orders, or resolving technical disputes outside of formal proceedings.
A criminal intent standard requiring that the defendant consciously desired to bring about the specific result of their act, as opposed to mere general intent to do the act.
An equitable remedy compelling a party to fulfill their exact contractual obligations; typically ordered when money damages are inadequate, as in unique property sales.
A trust that prevents the beneficiary from voluntarily assigning their interest or creditors from attaching it before distribution; protects the beneficiary from their own financial mismanagement.
Intentional or negligent destruction of evidence relevant to litigation; courts may sanction spoliation with an adverse inference instruction, allowing jurors to presume the destroyed evidence was unfavorable.
A pattern of repeated, unwanted contact or surveillance directed at a specific person that causes them to fear for their safety; a criminal offense in all 50 states and a federal crime when it crosses state lines or involves electronic communications.
The legal right of a person or organization to bring a lawsuit in court based on a concrete injury.
The principle requiring courts to follow established precedent when deciding similar cases.
A written law enacted by a legislative body such as Congress or a state legislature.
A law requiring certain contracts -- like real estate sales -- to be in writing to be enforceable.
The legal deadline by which a lawsuit or criminal charge must be filed.
Legal responsibility regardless of fault or intent; no proof of negligence or malice is required.
The most demanding standard of judicial review, applied to laws that classify based on race or national origin, or infringe fundamental rights; the law must serve a compelling government interest by narrowly tailored means.
An action taken by a court on its own initiative, without any request from either party.
A matter currently under judicial consideration and not yet decided.
A court's authority to hear cases of a particular type or involving particular subject matter; cannot be waived, and a judgment from a court lacking it is void.
A legal order compelling a person to appear in court or produce evidence.
A court order requiring a person to appear and produce specified documents or records as evidence; failure to comply may result in contempt of court.
The substitution of one party for another with respect to a legal claim; commonly used when an insurer pays a claim and then steps into the insured's shoes to recover from the responsible third party.
A doctrine imposing on a business that acquires another liability for the predecessor's debts and tort claims, particularly when the business is substantially continued.
A court ruling before trial when facts are undisputed and one party is entitled to win as a matter of law.
A formal court document served on a civil defendant notifying them that a lawsuit has been filed and requiring a response within a specified time, typically 20 to 30 days, or face a default judgment.
A court order that suspends enforcement of a lower court's judgment while an appeal is pending; typically requires the appellant to post a bond equal to the judgment amount.
A person or entity that assumes legal responsibility for another's debt or obligation if that person fails to fulfill it.
An arrangement in which a woman carries and delivers a child for intended parents; in gestational surrogacy the surrogate has no genetic link to the child.
T
T
TermPlain-English Summary
A legal claim the government places on a taxpayer's property when they fail to pay taxes owed; the lien attaches to all property and rights to property and must be satisfied before the taxpayer can sell or refinance the encumbered asset.
An emergency court order issued without notice to the opposing party (ex parte) that preserves the status quo for a short period -- typically 14 days -- until the court can hold a full hearing on a preliminary injunction.
A tenancy created when a tenant who held a lawful lease continues to occupy the premises after the lease expires without the landlord's consent; the landlord may treat them as a trespasser or as a holdover tenant.
A rental arrangement with no fixed term that either landlord or tenant may terminate at any time with proper notice; the most flexible and least secure form of tenancy.
A form of joint ownership reserved for married couples, treating them as one legal unit; creditors of only one spouse cannot force a sale of the property.
Co-ownership of property where each owner holds a distinct, transferable share with no right of survivorship; when one owner dies, their share passes through their estate.
The legal and mental ability required to make a valid will, including understanding the nature of making a will, the extent of one's property, and the natural objects of one's bounty.
A trust created by the terms of a will and taking effect only upon the testator's death; unlike a living trust, it must pass through probate before becoming operative.
A person who has made a valid will; must be of legal age and sound mind (testamentary capacity) at the time of signing; one who dies with a valid will dies testate.
A formal statement given under oath in court or during a deposition.
The unlawful taking of another person's property with the intent to permanently deprive them of it; a broad category covering larceny, robbery, and related offenses.
A person who is not a party to a contract but stands to benefit from its performance; an intended beneficiary may have standing to sue for breach, while an incidental beneficiary generally does not.
Legal ownership of property; in real estate, evidenced by a deed and verified through a title search to ensure no liens or competing claims exist before a sale closes.
An insurance policy protecting a property buyer or lender against losses from unknown defects in the property's title, such as undisclosed liens, forgery, or competing ownership claims.
The pausing of a statute of limitations clock due to circumstances like minority, incapacity, or the defendant's fraudulent concealment; the period resumes when the tolling event ends.
A civil wrongdoing causing harm to another, creating legal liability for compensation.
The person or entity that committed a tort and is legally responsible for the resulting harm.
Intentionally disrupting another party's existing contract or prospective business relationship without justification, causing economic harm; gives rise to a civil damages claim.
The overall visual appearance and image of a product or business -- including packaging, color schemes, and store layout -- that identifies its source and is protectable under trademark law if it is distinctive and non-functional.
Confidential business information that provides a competitive advantage and is protected from misappropriation under state and federal law; examples include formulas, processes, and customer lists.
A word, phrase, symbol, or design that identifies and distinguishes the source of goods or services; trademark owners can prevent others from using confusingly similar marks in the same field.
Unauthorized entry onto or interference with another person's land or property.
A completely new trial on the merits conducted as if the prior proceeding never occurred; common when appealing from a magistrate or small-claims court decision.
Legal arrangement where a trustee holds and manages property for a beneficiary's benefit.
U
U
TermPlain-English Summary
Beyond the legal authority granted; an act that exceeds a corporation's or official's lawful powers.
An equitable defense that bars relief to a plaintiff whose own misconduct is related to the subject of the lawsuit; "he who comes into equity must come with clean hands."
A contract term so extremely unfair or one-sided that a court will refuse to enforce it.
Improper pressure exerted over a person that overrides their free will, making any resulting contract or will potentially voidable.
A comprehensive set of laws governing commercial transactions adopted by all 50 states; key articles cover sales of goods (Art. 2), negotiable instruments (Art. 3), and secured transactions (Art. 9).
A contract formed when one party makes a promise in exchange for the other party's performance of an act; the contract is accepted and completed by performing the requested act, not by making a return promise.
A doctrine requiring a person who was enriched at another's expense without legal justification to return the benefit; the basis for quasi-contract and restitution claims even without a formal agreement.
A summary court proceeding used by a landlord to evict a tenant who remains in possession after the lease expires, terminates, or is forfeited; faster than an ordinary civil action.
Charging interest on a loan at a rate exceeding the maximum allowed by law; usurious loans may be voided or reformed by a court.
V
V
TermPlain-English Summary
To set aside, annul, or cancel a court judgment, order, or conviction.
The geographic location where a lawsuit is filed and tried.
The formal decision reached by a jury or judge at the end of a trial.
The process by which an employee or beneficiary acquires a non-forfeitable right to employer contributions or benefits after meeting time or service requirements.
Filing repeated, frivolous, or bad-faith lawsuits to harass an opponent; courts may designate the filer a vexatious litigant, requiring prior judicial approval before new filings.
Liability imposed on one party (such as an employer) for the wrongful acts of another (such as an employee).
A contract with no legal effect from creation -- as if it never existed -- typically because its subject matter is illegal or impossible; neither party can enforce it in court.
A constitutional doctrine under which a criminal law that fails to give fair notice of prohibited conduct, or invites arbitrary enforcement, is struck down as unconstitutionally vague.
A contract that is valid and enforceable unless one party chooses to cancel it; grounds include fraud, duress, incapacity, or misrepresentation.
The process of questioning prospective jurors to assess their suitability for a particular case.
W
W
TermPlain-English Summary
The illegal withholding of earned pay by an employer, including unpaid overtime, sub-minimum-wage pay, forced off-the-clock work, and unlawful paycheck deductions; entitles affected workers to back pay and penalties.
The voluntary, intentional surrender of a known legal right.
Court order authorizing law enforcement to arrest a person or search a location and seize evidence.
A guarantee by a seller or manufacturer that a product or service meets certain standards; an express warranty is explicitly stated, while an implied warranty arises automatically by law.
A deed in which the grantor guarantees clear title and will defend the grantee against any future claims to the property; the strongest form of title guarantee.
A person who reports illegal or unethical conduct by an employer or organization to authorities or the public.
Non-violent, financially motivated crimes typically committed by business professionals or government officials -- such as fraud, embezzlement, bribery, and insider trading.
A legal document expressing a person's wishes for the distribution of their property and the care of minor children after death; must be executed with statutory formalities to be valid.
Intentional wrongdoing or reckless disregard for the rights or safety of others that goes beyond ordinary negligence; in employment and tort law, willful misconduct can strip a party of defenses, expose them to punitive damages, or bar recovery.
A federal crime involving use of electronic communications -- phone, email, internet, or wire transfers -- to execute a scheme to defraud someone of money or property; carries up to 20 years in federal prison.
Language indicating that a legal action, settlement offer, or dismissal does not foreclose the right to pursue the same claim in the future; often used in settlement negotiations to protect confidentiality.
A person with relevant knowledge who testifies under oath in a legal proceeding.
Materials an attorney prepares in anticipation of litigation -- strategies, notes, analysis -- that are generally protected from discovery by opposing counsel under the work-product doctrine.
A state-mandated insurance program providing wage replacement and medical benefits to employees injured on the job; employees give up the right to sue the employer in exchange.
A formal court order commanding a person or authority to do or refrain from doing something.
A court order directing a law enforcement officer to enforce a judgment, typically by seizing and selling the debtor's non-exempt property to satisfy a money judgment.
A court order commanding a government official, lower court, or other authority to perform a duty they are legally obligated to carry out.
The conviction of an actually innocent person; common causes include false confessions, eyewitness errors, and prosecutorial misconduct; remedied through post-conviction appeals and DNA exoneration.
A civil claim by survivors against the party whose negligent or wrongful act caused another person's death.
The illegal firing of an employee in violation of law, contract, or public policy.
X
X
TermPlain-English Summary
Cross-examination; questioning of a witness by the opposing party to expose inconsistencies or bias.
Y
Y
TermPlain-English Summary
A historical employment agreement requiring a worker to promise not to join a labor union; now unenforceable.
Compensation formerly paid to a mortgage broker for placing a borrower in a higher-rate loan than they qualified for.
Z
Z
TermPlain-English Summary
The professional duty of a lawyer to represent a client's interests with dedication and diligence, within the bounds of the law and ethical rules; often cited as the core obligation of defense counsel but applies to all attorneys.
A policy requiring predetermined consequences for specified conduct regardless of mitigating circumstances.
Government regulation controlling how land may be used within specific geographic areas.
Permission granted by a local authority allowing a property owner to deviate from zoning requirements.
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Educational Disclaimer
These definitions are for general educational reference only. Legal meanings vary by jurisdiction and context. Consult a licensed attorney for guidance on any legal matter.