common-nucleus-of-operative-fact test

The doctrine that a federal court will have pendent jurisdiction over state-law claims that arise from the same facts as the federal claims providing a basis for subject-matter jurisdiction. [Cases: Federal Courts 14.]

common-nucleus-of-operative-fact test. The doctrine that a federal court will have pendent jurisdiction over state-law claims that arise from the same facts as the federal claims providing a basis for subject-matter jurisdiction. [Cases: Federal Courts 14.] “The modern doctrine of pendent jurisdiction, as announced by the Supreme Court in United Mine Workers v. Gibbs (1966), is