Cite as: 522 U. S. 156 (1997)
Opinion of the Court
omy, convenience, fairness, and comity which underlie the pendent jurisdiction doctrine." Id., at 357.
The supplemental jurisdiction statute codifies these principles. After establishing that supplemental jurisdiction encompasses "other claims" in the same case or controversy as a claim within the district courts' original jurisdiction, § 1367(a), the statute confirms the discretionary nature of supplemental jurisdiction by enumerating the circumstances in which district courts can refuse its exercise:
"(c) The district courts may decline to exercise supplemental jurisdiction over a claim under subsection (a) if—
"(1) the claim raises a novel or complex issue of State law,
"(2) the claim substantially predominates over the claim or claims over which the district court has original jurisdiction,
"(3) the district court has dismissed all claims over which it has original jurisdiction, or
"(4) in exceptional circumstances, there are other compelling reasons for declining jurisdiction." 28 U. S. C. § 1367(c).
Depending on a host of factors, then—including the circumstances of the particular case, the nature of the state law claims, the character of the governing state law, and the relationship between the state and federal claims—district courts may decline to exercise jurisdiction over supplemental state law claims. The statute thereby reflects the understanding that, when deciding whether to exercise supplemental jurisdiction, "a federal court should consider and weigh in each case, and at every stage of the litigation, the values of judicial economy, convenience, fairness, and comity." Cohill, supra, at 350. In this case, the District Court decided that those interests would be best served by exercising jurisdiction over ICS' state law claims. App. to Pet. for Cert. 45a-46a.
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