( August 28, 2025, 2:23 PM EDT) -- WASHINGTON, D.C. — MSN Pharmaceuticals and multiple related entities (MSN) tell the U.S. Supreme Court that it must step in to clarify the Federal Circuit U.S. Court of Appeals’ approach to the disclosure of “after-arising technology,” arguing that the appeals court split its own law regarding when it can be considered while ruling on a dispute over the validity of patents related to the heart medication drug Entresto....