Unanimous High Court: Federal Jurisdiction Lost When Federal Claims Are Deleted

( January 15, 2025, 11:37 AM EST) -- WASHINGTON, D.C. — A federal court’s supplemental jurisdiction over state law claims is lost when a plaintiff amends a complaint and deletes the federal claims that enabled removal from a state court, a unanimous U.S. Supreme Court ruled Jan. 15 in a putative class case accusing two pet food companies of misleading consumers on the quality and value of prescription pet food....