U.S. trade judge rules Arista infringes more Cisco network patents

By Andrew Chung NEW YORK (Reuters) - Arista Networks Inc used rival Cisco Systems' network device technology in its ethernet switches without permission, a U.S. trade judge ruled on Friday, handing Cisco yet another win in a sprawling legal battle over patents between the two companies. The judge, MaryJoan McNamara of the U.S. International Trade Commission in Washington, said that Arista had infringed two patents owned by Cisco. The ruling, which must be reviewed by the full commission over the