Facts
- Matt T. Kokkonen sued Guardian Life Insurance Company of America in California state court over termination of a general agency agreement, asserting state-law claims.
- Guardian removed the case to federal court based on diversity jurisdiction and asserted state-law counterclaims.
- After closing arguments at trial, the parties reached an oral settlement and recited its substance on the record before the district judge in chambers.
- The parties filed a stipulation and order dismissing all claims and counterclaims with prejudice under Federal Rule of Civil Procedure 41(a)(1)(ii), which the district judge signed.
- The dismissal order did not incorporate the settlement terms or expressly retain jurisdiction to enforce the settlement.
- A post-dismissal dispute arose about Kokkonen’s alleged obligation to return certain files to Guardian.
- Guardian moved in federal district court to enforce the settlement; Kokkonen objected that the court lacked subject-matter jurisdiction.
- The district court enforced the settlement, relying on an asserted “inherent power,” and the Ninth Circuit affirmed on an “inherent supervisory power” theory.
Issues
- Whether a federal district court has subject-matter jurisdiction to enforce a settlement agreement after the underlying action has been dismissed with prejudice under Rule 41(a)(1)(ii) when the dismissal order neither incorporates the settlement nor expressly retains jurisdiction.
- Whether ancillary jurisdiction permits enforcement of the settlement absent an independent basis for federal jurisdiction over the settlement dispute.
- Whether a federal court’s inherent powers can supply jurisdiction to enforce the settlement agreement.
Decision
- The Supreme Court unanimously reversed and remanded, holding the district court lacked jurisdiction to enforce the settlement agreement.
- The Court rejected the view that dismissal based on settlement automatically creates federal jurisdiction over later alleged settlement breaches.
- The Court held ancillary jurisdiction did not apply because enforcement would require adjudicating a separate contract dispute not necessary to manage the court’s proceedings or effectuate its decrees.
- The Court held inherent power cannot create subject-matter jurisdiction where none is authorized by the Constitution or statute.
Legal Principles
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Federal courts are courts of limited jurisdiction; jurisdiction must be authorized by the Constitution and statute, and the party invoking jurisdiction bears the burden of establishing it.
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A settlement agreement is a contract; a later claim for breach is ordinarily a separate controversy requiring its own jurisdictional basis.
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A federal court may enforce a settlement after dismissal only if:
- there is an independent basis for federal jurisdiction over the enforcement dispute (e.g., diversity or federal question), or
- the dismissal order incorporates the settlement agreement or expressly retains jurisdiction to enforce it.
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Ancillary jurisdiction is limited to matters that are factually interdependent with the original action or necessary for the court to manage proceedings, vindicate authority, or effectuate decrees; it does not automatically extend to post-dismissal settlement enforcement.
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Inherent judicial powers support case management and enforcement of existing orders, but do not expand subject-matter jurisdiction.
Conclusion
The Court held that enforcing a settlement after a case is dismissed with prejudice requires an independent jurisdictional basis unless the dismissal order incorporates the settlement or expressly retains jurisdiction; absent those conditions, enforcement belongs in state court or a new federal action with its own jurisdictional grounds.