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
The Patent Trial and Appeal Board (“PTAB”) issued Final Written Decisions regarding Cisco’s U.S. Patent Nos. 6,377,577 (the “’577 Patent”) and 7,023,853 (the “’853 Patent”) on May 25, 2017 and U.S. Patent No. 7,224,668 (the...more