(December 18, 2023, 2:55 PM EST) -- WASHINGTON, D.C. — A final written decision (FWD) by the U.S. Patent and Trademark Office (PTO) Patent Trial and Appeal Board that declared a single claim of a wireless local area network (WLAN) patent obvious was affirmed Dec. 15 by the Federal Circuit U.S. Court of Appeals, which said the board correctly construed the disputed claim term “storage element.”...