November 14, 2007in Infringement, IP, Patentability, Patents1by Editor599 Verizon Communications, Inc. v. Vonage Holdings Corp: a Victory for Vonage or a Retreat by the Courts? In March 2007, the district court in Alexandria, Virginia held that Vonage, a company which uses voice over IP technology, had infringed claims of three patents owned by Verizon Communications,…