(October 17, 2023, 10:49 AM EDT) -- WASHINGTON, D.C. — Although finding “no procedural error” in the Patent Trial and Appeal Board’s “handling” of whether two references would be considered as analogous prior art, the Federal Circuit U.S. Court of Appeals on Oct. 16 said the board must take a new look at whether one of the references “is (or is not) analogous art and how” such a finding would affect “its overall conclusion” that four dual-aperture camera system patents are obvious....