In High Point SARL v. Sprint Nextel Corporation, [2015-1298] (April 5, 2016), the Federal Circuit affirmed summary judgment that equitable estoppel and laches preclude prosecution of High Point’s claims for infringement of United States Patent Nos. 5,195,090, 5,195,091, 5,305,308, and 5,184,347.  High Point is … Continue reading Equitable Estoppel Stops NPE From Asserting Patents that its Assignor Failed to Assert