Royal Canin USA v. Wullschleger, 604 U.S. ___, 2025 WL 96212 (2025)

In this non-employment-related opinion with important implications for litigation throughout the country, the United States Supreme Court held that after a defendant removes a case from state to federal court based on federal question grounds, the plaintiff may in an amended complaint delete all references to federal law and thereby deprive the federal court of supplemental jurisdiction over the remaining state-law claims, resulting in a remand back to state court. Since most plaintiffs prefer to litigate their cases in state court, this opinion will likely result in fewer successful removals to federal court by employers.