Royal Canin U. S. A. v. Wullschleger

Decided January 15, 2025. Elena Kagan delivered the opinion of the Court.

Docket 23-677 · 604 U.S. 22 · Cited 403 times

When a plaintiff amends her complaint to delete the federal-law claims that enabled removal to federal court, leaving only state-law claims behind, the federal court loses supplemental jurisdiction over the state claims, and the case must be remanded to state court.

The Court’s statement of the holding, from the opinion’s syllabus. The syllabus is prepared by the Reporter of Decisions and is not part of the opinion of the Court — read the official opinion for authority.

Read the official opinion (PDF, supremecourt.gov) (opens primary source in a new tab)

Elena Kagan’s profile · All opinions since October Term 2017 · The Supreme Court

Source: Supreme Court of the United States, slip opinions (2025). Citation count from the Free Law Project’s CourtListener bulk data. Data last verified 2026-07-02. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).