Addressing the issue of claim preclusion, the US Court of Appeals for the Federal Circuit affirmed the district court’s holding that patent infringement customer lawsuits were precluded in view of a prior action against a website proprietor that was dismissed with prejudice and involved the same patents and accused product. In re: PersonalWeb Techs, LLC, Case No. 19-1918 (Fed. Cir. June 17, 2020) (Bryson, J.).