Cisco, Arista Both Denied IP Win In Network Patent Suit

Law360, Los Angeles (August 24, 2016, 7:23 PM EDT) -- Cisco Systems Inc. couldn't secure a quick win against competitor Arista Networks Inc. over its copyright claims involving computer network technologies after a California federal judge said Tuesday there are disputed issues of material fact over the originality of and Cisco's ownership in the disputed interface.

The Ethernet switch manufacturer, which is suing Arista for copyright and patent infringement, moved for partial summary judgment by arguing it owns a valid copyright in a command-line interface, or CLI, and that Arista infringed Cisco's copyrights in CLI.

U.S. District Judge Beth Labson Freeman said Cisco failed to persuade her of its position since...

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