A preliminary decision in the District Court of Delaware introduces the possibility that a patentee’s victory on assignor estoppel in the district court could quash a co-pending IPR proceeding at the PTAB. Assignor estoppel...more
Assignor estoppel is an equitable doctrine that prevents a party who assigns a patent to another from later challenging the validity of the assigned patent. As reported in a prior post, the Federal Circuit recently stated...more
Ruckus Wireless, Inc. v. Innovative Wireless Solutions (No. 2015-1425, 1438, 5/31/16) (Prost, Reyna, Stark) - May 31, 2016 3:11 PM - Reyna, J. Affirming summary judgment of non-infringement of patents based on...more