(June 12, 2023, 1:34 PM EDT) -- PHILADELPHIA — The Third Circuit U.S. Court of Appeals on June 9 affirmed a lower federal court’s grant of insureds’ motion to dismiss their professional liability insurer’s declaratory judgment lawsuit disputing coverage for an underling professional negligence dispute, finding that the lower court did not err in finding that the insurer could not introduce extrinsic evidence to terminate its duty to defend....