Dart Cherokee Basin Operating Co. v. Owens, 574 U.S. 81 (2015), was a case in which the Supreme Court of the United States clarified procedures for removing a class action lawsuit from state court to federal court. The case involved a dispute about revenue from oil and gas leases in which the defendant filed a motion to remove the case from a state court in Kansas to the United States District Court for the District of Kansas. However, the plaintiff argued that the defendant's motion was defective because the defendant's notice of removal did not include evidence demonstrating that the amount in controversy satisfied the jurisdictional threshold. The United States District Court for the District of Kansas ultimately ruled the case should be returned to the state court, and the United State