CORRECTED-UPDATE 1-U.S. trade judge rules Arista infringes more Cisco network patents
December 09, 2016 at 18:57 PM EST
NEW YORK, Dec 9 (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.