IN Bar key terms
IN Bar · Get comfortable with the vocabulary.
- Personal jurisdiction
- Related: Long-arm statute, Due process minimum contacts
A court's power over a particular defendant, requiring minimum contacts with the forum, fair play, and substantial justice; usually satisfied by residency, consent, service within the state, or purposeful availment plus relatedness.
- Due process minimum contacts
- Related: Personal jurisdiction, Long-arm statute
The constitutional test asking whether a defendant purposefully established contacts with the forum such that suit is reasonable; general contacts support any claim, specific contacts must arise from or relate to the claim.
- Long-arm statute
- Related: Personal jurisdiction, Due process minimum contacts
A state law authorizing courts to reach nonresident defendants who commit specified acts in the state, such as transacting business or causing tortious injury; it must also satisfy constitutional due process limits.
- Subject matter jurisdiction
- Related: Diversity jurisdiction, Federal question jurisdiction, Supplemental jurisdiction
A court's authority to hear a category of case. Federal courts are limited to cases involving federal questions or diversity of citizenship with the amount in controversy exceeding $75,000.
- Diversity jurisdiction
- Related: Subject matter jurisdiction, Supplemental jurisdiction
Federal jurisdiction over civil actions between citizens of different states, or between a citizen and an alien, where the amount in controversy exceeds $75,000 and complete diversity exists at filing.
- Federal question jurisdiction
- Related: Subject matter jurisdiction, Supplemental jurisdiction
Federal court authority over claims arising under the Constitution, federal statutes, or treaties, determined from the well-pleaded complaint rather than anticipated defenses.
- Supplemental jurisdiction
- Related: Diversity jurisdiction, Federal question jurisdiction
Federal jurisdiction over state claims forming part of the same case or controversy as a claim with original jurisdiction; discretionary in diversity cases, and never available to plaintiffs against nondiverse parties.
- Erie doctrine
- Related: Diversity jurisdiction, Summary judgment
A federal court sitting in diversity applies state substantive law and federal procedural law; if federal and state rules conflict, the federal rule governs when it is valid and directly on point.
- Motion to dismiss for failure to state a claim
- Related: Pleading, Summary judgment
A Rule 12(b)(6) motion asserting that the complaint, even if its factual allegations are true, does not entitle the plaintiff to relief; courts disregard legal conclusions and assess plausibility.
- Summary judgment
- Related: Motion to dismiss for failure to state a claim, Erie doctrine
A pretrial motion granted when no genuine dispute of material fact exists and the movant is entitled to judgment as a matter of law, based on pleadings, affidavits, and discovery evidence viewed in the nonmovant's favor.
- Pleading
- Related: Motion to dismiss for failure to state a claim, Counterclaim
The initial written statements of a party's claims or defenses; federal notice pleading requires a short plain statement of the grounds for jurisdiction and a demand for relief, not detailed facts.
- Counterclaim
- Related: Pleading, Supplemental jurisdiction
A claim asserted by a defendant against the plaintiff; compulsory counterclaims arise from the same transaction or occurrence and must be raised, while permissive counterclaims need an independent jurisdictional basis.
- Res judicata (claim preclusion)
- Related: Collateral estoppel, Summary judgment
A final judgment on the merits bars a later suit between the same parties on the same claim, including claims that were or could have been litigated in the first action.
- Collateral estoppel (issue preclusion)
- Related: Res judicata (claim preclusion), Summary judgment
A party is bound in later litigation by an issue actually litigated and necessarily decided in prior litigation, provided the party against whom it is asserted had a full and fair opportunity to litigate.
- Offer
- Related: Acceptance, Consideration, Promissory estoppel
A manifestation of present contractual intent that creates a power of acceptance in the offeree; it must be definite enough to identify the parties, subject matter, price, and quantity where relevant.
- Acceptance
- Related: Offer, Mailbox rule, UCC Article 2
An unequivocal assent to the terms of an offer, made in the manner invited; the mirror image rule governs common law contracts, while UCC Article 2 permits additional or different terms in some cases.
- Consideration
- Related: Promissory estoppel, Offer, Acceptance
A bargained-for exchange of legal detriment or benefit; a promise is enforceable only if the promisee gives something of value in return, not merely a preexisting duty or past act.
- Promissory estoppel
- Related: Consideration, Offer
Detrimental reliance that makes a promise enforceable without consideration when the promisor should reasonably expect reliance, reliance occurs, and injustice can be avoided only by enforcement.
- Mailbox rule
- Related: Acceptance, Offer
An acceptance is generally effective on dispatch, while a rejection or revocation is effective on receipt; an option contract is an exception, and an offeree who sends rejection then acceptance creates uncertainty.
- UCC Article 2
- Related: Acceptance, Consideration
Uniform Commercial Code provisions governing contracts for the sale of goods, applying a relaxed open-terms standard, perfect tender rule, and firm-offer rule for merchants.
- Statute of Frauds
- Related: UCC Article 2, Consideration
A writing requirement for certain contracts, including sales of goods over $500, suretyship, marriage, land, and contracts not performable within one year; it must be signed and state essential terms.
- Negligence per se
- Related: Duty of care, Res ipsa loquitur, Proximate cause
A doctrine treating violation of a statute as breach of duty when the plaintiff is within the class the statute protects and the harm is of the type the statute was intended to prevent.
- Duty of care
- Related: Negligence per se, Proximate cause, Res ipsa loquitur
The obligation to act as a reasonably prudent person under like circumstances; special standards apply to professionals, children, and landowners, and no duty exists for pure failures to act absent a special relationship.
- Proximate cause
- Related: Duty of care, Res ipsa loquitur, Negligence per se
A cause that is a substantial factor in producing harm and is not so remote or unforeseeable that liability would be unfair; intervening causes break the chain unless foreseeable.
- Res ipsa loquitur
- Related: Duty of care, Proximate cause
An inference of negligence permitted when the accident is of a kind that ordinarily does not occur without negligence, was caused by an instrumentality in the defendant's exclusive control, and was not due to plaintiff's conduct.
- Strict liability
- Related: Products liability, Proximate cause
Liability without proof of fault for abnormally dangerous activities and for defective products; the plaintiff must show the activity or defect caused harm and that the defendant was engaged in the relevant enterprise.
- Products liability
- Related: Strict liability, Negligence per se
Liability of manufacturers and sellers for harm caused by defective products, based on manufacturing defects, design defects, or failure to warn, with defenses including misuse and comparative fault.
- Intentional tort
- Related: Duty of care, Strict liability
A tort requiring intent to act and intent to cause harmful or offensive contact or apprehension; examples include battery, assault, false imprisonment, trespass, and conversion.
- Fourth Amendment search
- Related: Exclusionary rule, Probable cause
Government conduct infringing a reasonable expectation of privacy or physically intruding on a constitutionally protected area; warrantless searches are presumptively unreasonable absent an exception.
- Probable cause
- Related: Fourth Amendment search, Exclusionary rule
A reasonable basis, supported by facts and circumstances, to believe a crime has been or is being committed or that evidence will be found in a particular place; required for arrests and warrants.
- Exclusionary rule
- Related: Fourth Amendment search, Probable cause
The remedy suppressing evidence obtained in violation of the Fourth Amendment, subject to exceptions including good faith, inevitable discovery, and attenuation; it generally does not apply in grand jury or civil proceedings.
- Miranda warnings
- Related: Confession voluntariness, Sixth Amendment right to counsel
Custodial interrogation requires advisement of the rights to remain silent and to counsel; waiver must be knowing and voluntary, and invocation of either right ends questioning under stated rules.
- Sixth Amendment right to counsel
- Related: Miranda warnings, Confession voluntariness
The right to appointed counsel in criminal prosecutions attaches at critical stages after formal charges; it bars police interrogation of a represented defendant without counsel present.
- Confession voluntariness
- Related: Miranda warnings, Sixth Amendment right to counsel
Due process requires that a confession be voluntary, considering the totality of circumstances including police coercion, duration of interrogation, and the suspect's characteristics; involuntary confessions are inadmissible.
- Hearsay
- Related: Hearsay exceptions, Confrontation Clause
An out-of-court statement offered to prove the truth of the matter asserted; it is generally inadmissible unless an exception or exclusion applies, such as a prior statement or an opposing party's admission.
- Hearsay exceptions
- Related: Hearsay, Confrontation Clause
Categories permitting hearsay, including present sense impression, excited utterance, statements for medical diagnosis, business records, and public records, each with distinct foundational requirements.
- Confrontation Clause
- Related: Hearsay, Hearsay exceptions
The Sixth Amendment right of a criminal defendant to confront witnesses; testimonial hearsay is barred unless the declarant is unavailable and the defendant had a prior opportunity to cross-examine.
- Issue statement
- Related: Objective memo, Persuasive brief
In an MPT task, a concise identification of the legal question the memo or brief must answer, framed with the governing jurisdiction and the key facts that make the question live.
- Objective memo
- Related: Issue statement, Persuasive brief, Client letter
An MPT format predicting how a court would rule, using neutral analysis, an office memorandum heading, a question presented, a brief answer, a statement of facts, and discussion of both sides.
- Persuasive brief
- Related: Objective memo, Issue statement
An MPT format advocating for a client, typically including a caption, statement of facts, argument with point headings, and conclusion; it presents favorable facts and distinguishes adverse authority.
- Client letter
- Related: Objective memo, Issue statement
An MPT format translating legal analysis into plain language for a client, explaining options, risks, and recommended next steps without excessive citation or jargon.