Federal Circuit: PTAB Didn’t Consider All Evidence In Metal Flake Patent Dispute

( March 13, 2025, 2:18 PM EDT) -- WASHINGTON, D.C. — A Federal Circuit U.S. Court of Appeals panel held that the U.S. Patent Trial and Appeal Board (PTAB) failed to consider the full evidence on the record during postgrant review proceedings in a dispute related to a type of metal flakes used in manufacturing; the panel vacated the board’s finding that the appellant failed to show that any of the challenged patent claims were unpatentable....