( February 4, 2026, 8:51 AM EST) -- WASHINGTON, D.C. — A Federal Circuit U.S. Court of Appeals panel on Feb. 3 affirmed a finding by the U.S. Patent Trial and Appeal Board that certain claims in patents describing systems for generating roofing estimation reports were unpatentable as obvious; the panel saw no error in PTAB’s claim construction or other elements of its findings....