Law and Legal Studies Cheat Sheet

The core ideas of Law and Legal Studies distilled into a single, scannable reference — perfect for review or quick lookup.

PiqCue — piqcue.com/law-and-legal-studies/cheatsheet

Quick Reference

Rule of Law

The principle that all persons, institutions, and entities are accountable to laws that are publicly promulgated, equally enforced, and independently adjudicated. It requires that laws be clear, stable, and applied consistently, preventing arbitrary exercise of governmental power.

Due Process

The constitutional guarantee that legal proceedings will be conducted fairly and that individuals will not be deprived of life, liberty, or property without adequate procedural safeguards. It encompasses both procedural due process (fair procedures) and substantive due process (protection of fundamental rights).

Stare Decisis

The legal doctrine obligating courts to follow precedents established by higher courts when deciding cases with similar facts and legal issues. This principle promotes consistency, predictability, and stability in the law, though courts may distinguish or overrule prior decisions in exceptional circumstances.

Habeas Corpus

A foundational legal remedy that allows individuals detained by the government to challenge the lawfulness of their imprisonment before a court. Often called the 'Great Writ,' it serves as a critical check against unlawful detention and executive overreach.

Tort Law

The body of law governing civil wrongs in which one party's conduct causes harm to another, giving the injured party a right to seek compensation. Tort law encompasses intentional wrongs, negligence, and strict liability, serving both compensatory and deterrent functions.

Contract Law

The area of law governing voluntary agreements between parties that create legally enforceable obligations. A valid contract typically requires offer, acceptance, consideration, capacity, and legality of purpose, and breach of contract entitles the non-breaching party to remedies.

Constitutional Law

The body of law derived from a nation's constitution that defines the structure of government, allocates governmental powers, and establishes fundamental rights and liberties. Constitutional law serves as the supreme law against which all other laws and government actions are measured.

Jurisprudence

The philosophy and theory of law, concerned with fundamental questions about the nature of law, the relationship between law and morality, the sources of legal authority, and the principles underlying legal reasoning. Major schools include natural law, legal positivism, and legal realism.

Criminal Law

The branch of law that defines conduct prohibited by the state and prescribes punishments for violations. Criminal law requires the prosecution to prove both a guilty act (actus reus) and a guilty mind (mens rea) beyond a reasonable doubt, reflecting society's judgment about which behaviors warrant state-imposed sanctions.

Judicial Review

The power of courts to examine legislative and executive actions and determine whether they comply with the constitution. This doctrine establishes the judiciary as a check on the other branches of government, ensuring that no law or government action exceeds constitutional authority.

Key Terms at a Glance

Adjudication:The legal process by which a judge or tribunal resolves a dispute between parties by rendering a binding decision based on applicable law and evidence presented.

Affidavit:A written statement of facts made voluntarily and confirmed by oath or affirmation, used as evidence in judicial or administrative proceedings.

Appellant:The party who appeals a lower court's decision to a higher court, seeking a reversal or modification of the judgment.

Arbitration:A form of alternative dispute resolution in which parties submit their dispute to one or more neutral arbitrators who render a binding or non-binding decision outside of court.

Burden of Proof:The obligation of a party in a legal proceeding to prove the facts at issue to the required standard, such as 'preponderance of the evidence' in civil cases or 'beyond a reasonable doubt' in criminal cases.

Case Law:Law established by judicial decisions in court cases, as opposed to law created by legislative statutes or executive regulations. Case law interprets, applies, and sometimes creates legal principles.

Consideration:Something of value exchanged between parties to a contract that makes the agreement legally binding. It can be a promise, an act, or a forbearance from acting.

Deposition:A sworn, out-of-court testimony given by a witness during the discovery phase of litigation, recorded for later use at trial or in other proceedings.

Discovery:The pre-trial phase in litigation during which parties exchange relevant information and evidence, including documents, interrogatories, depositions, and requests for admission.

Equity:A branch of law that developed alongside common law to provide remedies (such as injunctions and specific performance) when monetary damages are inadequate to achieve justice.

Ex Parte:A legal proceeding or communication involving only one party without the presence or notification of the opposing party. Courts generally disfavor ex parte contact except in emergency situations.

Felony:A serious criminal offense typically punishable by imprisonment for more than one year or by death. Examples include murder, robbery, arson, and drug trafficking.

Indictment:A formal accusation issued by a grand jury charging a person with a serious crime. It represents a finding of probable cause that the accused committed the alleged offense.

Jurisdiction:The authority of a court to hear and decide cases. It includes subject matter jurisdiction (types of cases a court can hear) and personal jurisdiction (authority over the parties involved).

Liable:Legally responsible or obligated. In civil law, a person found liable must typically pay damages to the injured party. Liability can arise from contracts, torts, or statutory obligations.

Get study tips in your inbox

We'll send you evidence-based study strategies and new cheat sheets as they're published.

We'll notify you about updates. No spam, unsubscribe anytime.