( March 27, 2025, 12:07 PM EDT) -- WASHINGTON, D.C. — A Federal Circuit U.S. Court of Appeals panel said it saw no error in a finding from the U.S. Patent Trial and Appeal Board (PTAB) that held all challenged claims in a series of patents related to medical imaging unpatentable, holding that the appellant patent holder failed to show that the board erred in construing relevant patent claims during inter partes review (IPR) proceedings before the board....