( October 31, 2024, 11:42 AM EDT) -- WASHINGTON, D. C. — A panel of judges in the Federal Circuit U. S. Court of Appeals affirmed a finding by the U. S. Patent Trial and Appeal Board (PTAB) that an audio company’s claims are unpatentable in a dispute with a car manufacturer; the panel also denied as moot the company’s appeal of the PTAB’s finding of unpatentability in its dispute with a different manufacturer. . . .