On January 15, 2025, in Royal Canin v. Wullschleger, the Supreme Court held that when a plaintiff amends a complaint to eliminate federal law claims—leaving only state law claims—federal courts lose jurisdiction over the remaining claims and must remand the case to state court (if the case was removed) or dismiss the case (if originally filed in federal court). Continue Reading Decision Alert: Supreme Court Unanimously Holds That Federal Courts Lose Jurisdiction Over State Law Claims After Plaintiff Purges Federal Law Claims
