Subject Matter Jurisdiction
Article III, §2: Cases or Controversies Clause
The judicial Power shall extend to all Cases, in Law and Equity, arising under this Constitution, the Laws of the United States, and Treaties made, or which shall be made, under their Authority;—to all Cases affecting Ambassadors, other public Ministers and Consuls;—to all Cases of admiralty and maritime Jurisdiction;—to Controversies to which the United States shall be a Party;—to Controversies between two or more States;—between a State and Citizens of another State,—between Citizens of different States,—between Citizens of the same State claiming Lands under Grants of different States, and between a State, or the Citizens thereof, and foreign States, Citizens or Subjects.
Under the U.S. Constitution, subject matter jurisdiction is granted in one of two ways:
There is diversity of citizenship between the parties in the case.
The issue in the case pertains to a federal question.
Cases