( November 25, 2024, 1:25 PM EST) -- WASHINGTON, D.C. — A Federal Circuit U.S. Court of Appeals panel on Nov. 22 affirmed a finding from the U.S. Patent Trial and Appeal Board (PTAB) in an inter partes review (IPR) brought by tobacco company Philip Morris Products SA and its American subsidiary, agreeing with the PTAB’s holding that multiple claims in a patent on an electronic smoking pipe product were patent ineligible for being anticipated by prior art....