In Vidstream LLC v. Twitter, Inc., [2019-1734, 2019-1735] (November 25, 2020) affirmed the PTAB determination that claims 1-35 of U.S. Patent No. 9,083,997 on Recording and Publishing Content on Social Media Websites were invalid for obviousness. The issue on appeal … Continue reading Petitioner Can Substantiate Prior Art When Challenged by Patent Owner