MT Bar study materials
MT Bar study resources

MT Bar key terms

MT Bar · Get comfortable with the vocabulary.

Personal jurisdiction

A court's power to bind a particular defendant, usually satisfied by domicile, presence, consent, or minimum contacts showing purposeful availment and fair play. It is waivable if not timely raised.

Related: Subject-matter jurisdiction, Standing
Subject-matter jurisdiction

A court's authority to hear a category of case, such as federal question or diversity. It cannot be waived or conferred by consent, and federal courts presume its absence unless shown.

Related: Personal jurisdiction, Summary judgment
Erie doctrine

In diversity cases, federal courts apply state substantive law but may use federal procedural rules, unless the federal rule conflicts with state law and violates the Rules Enabling Act or Constitution.

Related: Summary judgment, Choice of law
Summary judgment

A pretrial motion granted when no genuine dispute of material fact exists and the movant deserves judgment as a matter of law, viewed in the light most favorable to the nonmovant.

Related: Claim preclusion, Personal jurisdiction
Claim preclusion

Res judicata bars a later suit on the same claim between the same parties or privies after a final judgment on the merits, including claims that could have been raised.

Related: Summary judgment, Standing
Standing

A plaintiff's constitutional requirement to show injury in fact, causation, and redressability. It ensures federal courts decide actual cases or controversies rather than abstract policy disputes.

Related: State action, Strict scrutiny
State action

The Fourteenth Amendment's requirement that constitutional protections apply to government conduct. Private conduct is generally unregulated unless it performs a public function or is significantly entangled with the state.

Related: Standing, Strict scrutiny
Strict scrutiny

The most demanding equal protection test: a law must serve a compelling government interest and be narrowly tailored. It applies to suspect classifications and fundamental rights.

Related: State action, Dormant Commerce Clause
Dormant Commerce Clause

A doctrine limiting state laws that discriminate against or unduly burden interstate commerce, even without federal regulation. Nondiscriminatory laws survive if rationally related to a legitimate local benefit.

Related: Strict scrutiny, State action
Offer

A manifestation of present contractual intent with definite terms, created so that a reasonable person would believe acceptance would conclude the bargain. It empowers the offeree to accept.

Related: Consideration, Statute of Frauds
Consideration

A bargained-for exchange of legal value, such as a promise or performance, that induces the other party's promise. Past acts, moral duties, and illusory promises generally fail.

Related: Offer, Statute of Frauds
Statute of Frauds

A writing requirement for certain contracts, including land sales, suretyship, marriage, one-year performance, and goods over $500, to prevent fraud. It must be signed by the party to be charged.

Related: Offer, Consideration
Perfect tender rule

Under UCC Article 2, a buyer may reject goods if they fail in any respect to conform to the contract, unless the seller cures or the parties agreed otherwise.

Related: Anticipatory repudiation, Offer
Anticipatory repudiation

An unequivocal statement or act before performance is due showing the obligor will not perform. It allows the nonbreaching party to treat the contract as breached immediately or await performance.

Related: Perfect tender rule, Consideration
Mens rea

The mental state required for a crime, such as purpose, knowledge, recklessness, or negligence. It distinguishes intentional wrongdoing from accidental conduct and often determines the grade of offense.

Related: Felony murder, Miranda warnings
Felony murder

A killing during the commission of an inherently dangerous felony, such as robbery or burglary, treated as murder even without intent to kill. Limits include the merger doctrine and proximate cause.

Related: Mens rea
Miranda warnings

Custodial interrogation requires police to advise suspects of silence, counsel, and appointed counsel. Statements obtained without warnings are generally inadmissible in the prosecution's case-in-chief.

Related: Reasonable expectation of privacy, Confrontation Clause
Reasonable expectation of privacy

The Fourth Amendment test for a search: whether a person exhibited a subjective expectation of privacy that society recognizes as reasonable. Government intrusion into that sphere generally requires a warrant or exception.

Related: Miranda warnings, Confrontation Clause
Hearsay

An out-of-court statement offered to prove the truth of the matter asserted. It is generally inadmissible unless an exception or exclusion applies, because the declarant is unavailable for cross-examination.

Related: Confrontation Clause, Best evidence rule
Confrontation Clause

The Sixth Amendment right of a criminal defendant to confront adverse witnesses. It bars testimonial hearsay from unavailable declarants unless the defendant had a prior opportunity to cross-examine.

Related: Hearsay, Miranda warnings
Best evidence rule

Requires an original writing, recording, or photograph to prove its content, unless a valid excuse exists. It applies when the content is directly at issue, not merely as collateral evidence.

Related: Hearsay
Adverse possession

Acquisition of title by open, notorious, actual, exclusive, continuous possession that is hostile to the owner for the statutory period. Some states require color of title or payment of taxes.

Related: Easement by necessity, Bona fide purchaser
Easement by necessity

An implied easement arising when a parcel becomes landlocked or lacks reasonable access, based on prior common ownership and strict necessity at the time of severance.

Related: Adverse possession, Bona fide purchaser
Bona fide purchaser

A purchaser who buys for value without notice of another's prior interest. Recording acts protect such purchasers against earlier unrecorded conveyances, depending on race, notice, or race-notice statute.

Related: Adverse possession, Easement by necessity
Rule Against Perpetuities

No interest is valid unless it must vest, if at all, within twenty-one years after a life in being at creation. It limits remote contingent future interests.

Related: Spendthrift trust
Negligence per se

A violation of a statute that establishes a standard of care, creating a presumption or conclusive finding of breach when the plaintiff is within the statute's protected class and harm type.

Related: Res ipsa loquitur, Comparative negligence
Res ipsa loquitur

The thing speaks for itself: an inference of negligence when an accident ordinarily would not occur without negligence, the instrumentality was under the defendant's control, and the plaintiff did not contribute.

Related: Negligence per se, Strict products liability
Strict products liability

A seller of a defective product unreasonably dangerous when sold is liable for harm to persons or property, without proof of negligence, if the defect existed at sale and caused injury.

Related: Res ipsa loquitur, Comparative negligence
Comparative negligence

A system apportioning damages between plaintiff and defendant based on fault. Pure comparative reduces recovery proportionally; modified bars recovery if plaintiff's fault exceeds a set threshold.

Related: Negligence per se, Strict products liability
Fiduciary duty

A duty of loyalty and care owed by agents, partners, directors, and trustees. It requires acting in the principal's interest, avoiding conflicts, and disclosing material information.

Related: Partnership at will, Piercing the corporate veil
Partnership at will

A general partnership with no fixed term, dissolvable by any partner's express will. Absent agreement, RUPA governs management, profit sharing, and winding up.

Related: Fiduciary duty, Piercing the corporate veil
Piercing the corporate veil

Disregarding limited liability when the corporation is an alter ego or instrumentality used to commit fraud or injustice. Courts consider commingling, undercapitalization, and failure to observe formalities.

Related: Fiduciary duty, Partnership at will
Equitable distribution

A divorce court's division of marital property based on fairness factors such as contribution, need, and duration of marriage, rather than title. Separate property is usually retained by its owner.

Spendthrift trust

A trust provision that prevents a beneficiary from transferring or creditors from reaching trust distributions before payment. It protects the beneficiary's interest while leaving the trustee discretion.

Related: Rule Against Perpetuities, Fiduciary duty
Attachment and perfection

Secured transaction steps: attachment gives the creditor a security interest when value is given, debtor has rights, and a security agreement exists; perfection gives priority through filing or possession.

Related: Bona fide purchaser
Choice of law

Conflict-of-laws analysis selecting the governing law for a dispute, often using the forum's rules and applying the place of injury, place of contracting, or most significant relationship.

Related: Erie doctrine
Objective memorandum

An MPT task requiring a neutral analysis of law and facts for a supervising attorney, predicting likely outcomes and identifying uncertainties. It follows office format with question presented, brief answer, analysis.

Related: Persuasive brief, Task memo
Persuasive brief

An MPT task advocating for a client's position to a court or tribunal. It uses point headings, facts favorable to the client, and legal argument, unlike a neutral memo.

Related: Objective memorandum, Closed universe
Task memo

The MPT instruction document that assigns the writing task, identifies the audience and format, and limits the scope of the required legal analysis.

Related: Objective memorandum, Closed universe
Closed universe

The MPT principle that the File and Library contain all facts and law needed; candidates should not rely on outside knowledge or research.

Related: Task memo, Objective memorandum