Marbury v. Madison
5 U.S. (1 Cranch) 137 (1803)Established judicial review: a law contrary to the Constitution cannot control a court. It also held that the Supreme Court cannot exercise original jurisdiction beyond the Constitution’s grant.
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Constitution Research
A court must have legal authority before it may enter a binding judgment. Start by identifying the court, the source of its power, the subject matter, the parties, and the procedure that invokes that authority.
Read the cited authoritiesSubject-matter jurisdiction is the court’s authority to hear a category of case. Personal jurisdiction is its authority over a particular party. Venue, service, and procedural prerequisites can also affect whether a case may proceed.
A party may raise jurisdictional objections at different stages depending on the rule and jurisdiction. Not every procedural error makes a judgment automatically void. Read the controlling constitution, statute, court rule, and opinion for the particular court and claim.
Federal, state, municipal, administrative, and appellate courts operate under different grants of authority.
Read the constitutional provision, statute, rule, or ordinance said to authorize the proceeding.
Ask what the court was actually deciding: jurisdiction, a constitutional right, a criminal element, immunity, or another issue.
A quotation is not a holding unless it is part of the court’s legal decision on the issue before it.
In all criminal prosecutions, the Sixth Amendment guarantees the accused the right “to have the Assistance of Counsel for his defence.” Read the complete constitutional text before relying on any summary or citation.
Read the Bill of RightsJurisdiction is a legal doctrine with different requirements in different courts. The authorities here are provided for study and verification, not as legal advice or a substitute for consulting the governing law and qualified counsel about a specific matter.
Read the linked case library and primary sources.
Primary TextFounding DocumentsReturn to the Constitution and its amendments.