( December 6, 2024, 2:01 PM EST) -- WASHINGTON, D.C. — In a patent infringement dispute between manufacturers of semiconductors, the Federal Circuit U.S. Court of Appeals on Dec. 5 affirmed findings from the U.S. Patent Trial and Appeal Board (PTAB) that some claims in the relevant patents are ineligible as obvious while other claims are patent eligible, handing mixed results to both the appellant and cross-appellant companies....