by Dennis Crouch In In re PersonalWeb Techs. LLC, 2019-1918, 2020 WL 3261168 (Fed. Cir. June 17, 2020), the court reinvigorates the Kessler Doctrine — holding preclusion is triggered even in cases voluntarily dismissed (with prejudice) by the patentee and is subsequently operable to block actions against subsequent allegations of infringement against the original defendant … Continue reading Preclusion: Expanding Upon the Kessler Doctrine