( June 11, 2025, 12:49 PM EDT) -- WASHINGTON, D.C. — A Federal Circuit U.S. Court of Appeals panel affirmed a U.S. Patent Trial and Appeal Board (PTAB) order that allowed Cardiovalve Ltd. to amend multiple claims in its patent, agreeing with PTAB that Edwards Lifesciences Corp. and a related entity failed to show that the claims of Cardiovalve’s heart implant patent were invalid....