Also known as: ratione loci jurisdiction · territorial jurisdiction · local jurisdiction
Written by attorneys · grounded in primary & secondary sources — see below
A form of judicial authority that attaches because the conduct, parties, or property lie within the court's geographic territory.
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Jeffrey Jha and other tenants sue their landlord in federal court in a coastal district. They ask the court to exercise authority over the dispute because the neighborhood sits inside the district's geographic boundaries. The court accepts the case on that basis.
Jamal Jefferson sues Hartford Fire Insurance Co. in a U.S. district court alleging a conspiracy that produced effects inside the United States. The court exercises jurisdiction ratione loci because the conduct and resulting harm occurred within the nation's territorial boundaries.
Jada Jones brings an Alien Tort Statute claim against Royal Dutch Petroleum for conduct that occurred entirely abroad. The court dismisses the case for lack of jurisdiction ratione loci because the events took place outside the United States.
John Jones challenges a San Francisco laundry ordinance in federal court. The court upholds jurisdiction ratione loci because the regulated activity and the parties are located inside the city limits that define the court's territorial reach.
Jordan Jenkins, a civilian dependent, faces court-martial in a foreign nation for an offense committed there. The Supreme Court holds that jurisdiction ratione loci does not extend to allow trial by military court outside the United States.
James Johnson, a detainee held at Guantanamo Bay, seeks habeas relief in federal court. The court determines that jurisdiction ratione loci reaches the base because it lies within the territorial jurisdiction of the United States.
Jurisdiction ratione loci turns on the geographic location of the events or parties. Jurisdiction ratione materiae turns on the subject matter of the dispute. The Rome Statute separates these concepts in Articles 5-8 bis and 12-14.
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A court may notice a fact that is generally known within the trial court's territorial jurisdiction and not subject to reasonable dispute. Local geography, traffic patterns, and community conditions routinely qualify when they are common knowledge inside the district.
Supporting sources
…and teach youth to discount important principles of our government as mere platitudes. Such Boards are numerous and their territorial jurisdiction often small. But small and local authority may feel less sense of responsibility to the Constitution, and agencies of publicity may be less vigilant in calling it to account. The action of…