District Court Holds That Patent Validity Is A Single Issue For Collateral Estoppel Purposes
A federal district court in the Northern District of California granted plaintiff XpertUniverse’s (XU) motion for partial summary judgment on collateral estoppel and precluded defendant Cisco Systems from raising new invalidity grounds. The court also denied Cisco’s motion for judgment on the pleadings under 35 U.S.C. § 101.
In a previous lawsuit between the parties (the “First Action”), Cisco’s Remote Expert product was found to infringe XU’s U.S. Patent No. 7,499,903 (the “‘903 Patent”) and the […]