This list includes 60 Legal terms that start with J, from “JNOV (judgment notwithstanding the verdict)” to “Justification”. It features procedural, doctrinal, and practical terms you encounter in statutes, case law, and classroom materials.

[Legal terms that start with J] are labels for legal concepts, procedures, and doctrines beginning with the letter J. For example, JNOV gained prominence in U.S. civil procedure during the twentieth century.

Below you’ll find the table with Term, Definition, Etymology, Jurisdiction, and Notes.

Term: The exact word or phrase; you use it to locate entries and common variant spellings quickly.

Definition: A concise legal meaning and typical usage, so you understand how the term functions in practice.

Etymology: A brief origin note showing language roots and historical emergence to give context.

Jurisdiction: Shows where the term is used and how its meaning varies across legal systems, helping you assess relevance.

Notes: Practical examples, cross-references, and citation hints that guide further reading or exam preparation.

Legal terms that start with J

TermTypeEtymologyJurisdiction/Usage
JudgeRoleOld French juge, Latin iūdex (c. 12th century)Common law, civil law
JudgmentRemedy/OrderLatin iūdicium (judgment)Cross-jurisdictional
Judgment creditorRole/StatusModern legal EnglishCommon law jurisdictions
Judgment debtorRole/StatusModern legal EnglishCommon law jurisdictions
Judgment lienSecurity InterestModern legal EnglishCommon law jurisdictions
Judgment notwithstanding the verdict (JNOV)Remedy/MotionModern phrase (20th c.)Common law (US, UK variants)
Judgment by defaultRemedyModern legal EnglishCross-jurisdictional
Judgment proofStatus/PracticalInformal legal phraseCommon law jurisdictions
Judgment bondSecurity/ProcedureModern legal EnglishCommon law jurisdictions
Judgment rollRecordMedieval Latin juridical useCommon law jurisdictions
Judicial reviewDoctrineEnglish (18th c.), Marbury v. Madison eraPrimarily common law systems
Judicial noticeProcedureEnglish legal practiceCommon law jurisdictions
Judicial estoppelDoctrineUS case law (20th c.)Common law, especially US
Judicial immunityDoctrineCommon law originsCross-jurisdictional
Judicial restraintJudicial philosophyModern political/legal termPrimarily US, UK
Judicial activismJudicial philosophyModern political/legal termPrimarily US, UK
Judicial precedentDoctrineLatin stare decisis rootsCommon law jurisdictions
Judicial lienSecurity interestModern legal EnglishCommon law jurisdictions
Judicial foreclosureProcedureModern legal EnglishUS and other jurisdictions with judicial process
Judicial saleRemedy/ProcedureModern legal EnglishCommon law jurisdictions
JudicatureInstitutional termLatin iudicaturaCommon law, civil law
JudiciaryInstitutionLatin iūdicium derivativesCross-jurisdictional
JoinderProcedureLatin iungere (to join)Common law jurisdictions
Joinder of issueProcedureOld French/Latin rootsCommon law jurisdictions
Joint tenancyProperty interestEnglish common lawCommon law jurisdictions
Joint and several liabilityLiability doctrineModern legal EnglishCommon law jurisdictions
Joint tortfeasorTort conceptModern legal EnglishCommon law jurisdictions
Joint ventureBusiness arrangementCommercial law (19th c.)Cross-jurisdictional
Joint-stock companyCorporate form16th–17th c. commercial lawInternational commercial law
Joint resolutionLegislative instrumentModern legislative practicePrimarily US and parliamentary systems
Joint custodyFamily law arrangementModern family lawCommon law jurisdictions
Joint petitionProcedureModern legal EnglishCross-jurisdictional
Joint enterpriseCriminal doctrineCommon law conceptCriminal law (UK, international)
JNOV (judgment notwithstanding the verdict)Motion/RemedyAbbreviation of J.N.O.V.US common law
JuratDocumentary termLatin jurātum (sworn)Common law jurisdictions
Jus cogensInternational law normLatin (peremptory law)Public international law
Jus soliNationality principleLatin (right of the soil)International/national law
Jus sanguinisNationality principleLatin (right of blood)International/national law
Jus ad bellumInternational law doctrineLatin (right to wage war)Public international law
Jus tertiiProcedural defenseLatin (right of a third)Common law practice
Just causeEmployment/StandardsOld French/Latin rootsEmployment and administrative law
Just compensationConstitutional remedyEnglish translation of Latin principlesUS and other jurisdictions with takings law
JustificationCriminal defenseLatin iustificare rootsCriminal law worldwide
Just desertsPunishment theoryEnglish phrase (19th c.)Criminal law theory
JeopardyCriminal procedure conceptOld French/Latin perigodiumPrimarily US and common law
JurisdictionJurisdictional conceptLatin juridictioCross-jurisdictional
Jurisdictional amountProcedure/ThresholdModern US phraseUS federal courts
Jurisdictional defectProcedureModern legal EnglishCross-jurisdictional
Jurisdictional ruleProcedural principleModern legal EnglishCross-jurisdictional
JurisprudenceField of studyLatin iurisprudentiaCross-jurisdictional
Jurisprudential definitionConceptual termModern legal EnglishAcademic and practice
JurorRoleOld French juré (sworn)Common law jurisdictions
JuryFact-finder institutionOld French juréCommon law jurisdictions
Jury nullificationDoctrine/practiceHistoric common lawCommon law jurisdictions
Jury instructionsProcedureModern legal EnglishCommon law jurisdictions
Jury panelProcedureModern legal EnglishCommon law jurisdictions
JusticiableThreshold doctrineLatin iusticiabilisCommon law jurisdictions
JusticiabilityDoctrineModern legal EnglishCross-jurisdictional
Joint petition for reliefProcedureModern legal EnglishBankruptcy, immigration, family law
Joint-stock companyBusiness entityEnglish commercial historyInternational commercial law

Descriptions

Judge
An official who presides over court proceedings, decides questions of law and sometimes fact; central to trials, appeals, and issuing orders.
Judgment
A court’s final decision resolving rights or liabilities; can be for money, injunctions, or declaratory relief and is enforceable like a contract.
Judgment creditor
A person or entity holding a court judgment entitling them to collect money from the debtor; may use liens or garnishment to enforce.
Judgment debtor
A person or entity ordered by a court to pay money under a judgment and subject to enforcement actions if unpaid.
Judgment lien
A lien created when a creditor records a money judgment against a debtor’s property to secure payment; can attach to real estate and hinder sales.
Judgment notwithstanding the verdict (JNOV)
A post-trial motion asking the judge to override a jury’s verdict because reasonable jurors couldn’t have reached it; rare and governed by strict standards.
Judgment by default
A judgment entered when a defendant fails to respond to a lawsuit; often requires notice and may be set aside under certain conditions.
Judgment proof
Describes a defendant without collectible assets or income making enforcement impractical; doesn’t extinguish the debt but complicates collection.
Judgment bond
A bond posted to secure a judgment or an appeal, protecting the prevailing party while appeals or stays are pending.
Judgment roll
The official written record of a court’s proceedings and rulings in a case; used for reference and appellate review.
Judicial review
Court power to examine government actions and declare them invalid if unconstitutional or unlawful; a cornerstone of checks and balances.
Judicial notice
A judge’s acceptance of a fact as true without formal evidence because it’s widely known or easily verifiable, expediting proceedings.
Judicial estoppel
Prevents a party from adopting positions in litigation that contradict earlier assertions accepted by the court, protecting judicial integrity.
Judicial immunity
Protects judges from civil liability for actions within their judicial role, encouraging independent decision-making; immunity doesn’t cover nonjudicial acts.
Judicial restraint
A philosophy encouraging judges to limit their own power, defer to legislatures, and avoid creating policy through rulings.
Judicial activism
A philosophy criticizing judges who make broad rulings or create new rights; supporters say courts correct injustices when legislatures fail.
Judicial precedent
Previously decided cases that courts follow; creates predictability by binding lower courts to higher courts’ interpretations of law.
Judicial lien
A lien created by court order to secure satisfaction of a judgment, often against a debtor’s property until debt is paid.
Judicial foreclosure
Foreclosure conducted through court action, allowing judicial oversight and possible deficiency judgments after sale.
Judicial sale
A court-ordered sale of property (often foreclosed) to satisfy a judgment or decree; conducted under judicial supervision.
Judicature
The system or administration of courts and judges; can refer to statutes organizing the judiciary or the judiciary as an institution.
Judiciary
The branch of government comprising judges and courts responsible for interpreting laws, resolving disputes, and administering justice.
Joinder
Combining parties or claims in one lawsuit; can be permissive or compulsory depending on rules and promotes efficiency.
Joinder of issue
The formal joining of opposing parties’ claims and defenses so the court can decide the contested issues.
Joint tenancy
A form of co-ownership where survivors automatically inherit the decedent’s share (right of survivorship); contrasts with tenancy in common.
Joint and several liability
Each defendant can be held responsible for the entire judgment; allows plaintiff to recover all damages from any liable party.
Joint tortfeasor
A person who participates with others in committing a tort; may share liability for harm caused by the collective action.
Joint venture
A contractual collaboration between parties for a specific commercial project; combines resources and shares profits, risks, and control.
Joint-stock company
A business entity with transferable shares held by multiple investors; historical precursor to modern corporations.
Joint resolution
A legislative measure passed by both chambers; in the US used for certain legal actions like congressional adjournment or proposing amendments.
Joint custody
Shared parental responsibility for a child after separation; may be legal, physical, or both depending on orders.
Joint petition
A filing by two or more parties together—common in divorce, bankruptcy, or immigration—to request court action reflecting shared interests.
Joint enterprise
Holds participants responsible for crimes committed as part of a common plan; has evolved with varying tests across jurisdictions.
JNOV (judgment notwithstanding the verdict)
See Judgment notwithstanding the verdict; the acronym is commonly used in case law and briefs in post-trial motions.
Jurat
The clause on an affidavit indicating the oath was sworn before an officer; certifies the signer swore to the truth of the statement.
Jus cogens
Fundamental international norms from which no derogation is permitted, like prohibitions on genocide or slavery.
Jus soli
Citizenship granted by birthplace; countries vary in applying automatic birthright citizenship based on this doctrine.
Jus sanguinis
Citizenship conferred by descent from a citizen parent; used alone or with jus soli to determine nationality laws.
Jus ad bellum
Legal rules governing when states may lawfully resort to war or use force, distinct from conduct during war (jus in bello).
Jus tertii
A defense claiming that a third party holds superior rights to the property or claim asserted by the plaintiff.
Just cause
A legally sufficient reason for disciplinary action or termination; often required to justify firing or denying benefits.
Just compensation
Payment required when government takes private property for public use; aims to make owner whole.
Justification
A defense admitting the act but claiming it was legally permissible (e.g., self-defense); if successful, it negates criminal culpability.
Just deserts
The view that punishment should fit the moral blameworthiness of the offender; often cited in sentencing debates.
Jeopardy
Legal peril of prosecution; “jeopardy attaches” marks when double jeopardy protections begin to prevent retrial for the same offense.
Jurisdiction
The authority of a court or tribunal to hear and decide cases, defined by geography, subject matter, or person.
Jurisdictional amount
A monetary threshold (e.g., amount in controversy) required for certain courts to have jurisdiction, often statutory and jurisdiction-defining.
Jurisdictional defect
An error or lack of required jurisdiction that can render a court’s decision void or appealable for lack of authority.
Jurisdictional rule
Rules determining whether a tribunal has power to decide a matter; often strict and may be jurisdictional bars to claims.
Jurisprudence
The philosophy and theory of law—examines sources, purposes, and interpretation of law; also used to mean case law in some contexts.
Jurisprudential definition
A precise legal definition derived from legal theory or case law, used to clarify how courts interpret a term.
Juror
A layperson selected to decide facts in a trial; jurors evaluate evidence and render verdicts in criminal and civil cases.
Jury
A body of citizens who hear evidence and decide guilt, liability, or facts; central to the right to a trial by peers in many systems.
Jury nullification
The jury’s ability to acquit despite the law and evidence, reflecting community conscience; controversial but recognized in practice.
Jury instructions
Directions a judge gives jurors about the law governing their deliberations; critical because incorrect instructions can require reversal.
Jury panel
The group of prospective jurors assembled for selection; a subset will be sworn to serve on a particular trial.
Justiciable
Describes disputes suitable for court resolution; nonjusticiable matters (political questions) are inappropriate for judicial decision.
Justiciability
Legal tests determining whether courts may hear a case, including ripeness, standing, mootness, and political question doctrines.
Joint petition for relief
A combined filing by parties seeking relief together, often streamlining processes in consensual contexts.
Joint-stock company
A company whose capital is divided into transferable shares held by investors; historically important in commercial law development.
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