Comcast Beats Costly Suit Over VoIP Patent

Law360, New York (November 10, 2006, 12:00 AM EST) -- A judge ruled Thursday that Comcast Cable Corp. is not infringing on a patent related to Voice over Internet Protocol (VoIP) technology, which means the company does not have to shut down its digital voice service.

Judge David Folsom in the U.S. District Court for the Eastern District of Texas wrote that based on the claim construction, Comcast didn’t infringe on any asserted claim of the patent. Caritas Technologies Inc. had argued its patent covered VoIP.

Wisconsin-based Caritas Technologies Inc. filed the suit in July 2005,...
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