(November 16, 2023, 7:57 AM EST) -- WASHINGTON, D.C. — The Federal Circuit U.S. Court of Appeals has granted Facebook Inc. more time to respond to an October appellant brief in which Xerox Corp. maintains that because of “recent changes in the law” and the Patent Trial and Appeal Board’s “rejection of binding authority,” the parties’ patent dispute presents “an issue of first impression with constitutional implications.”...