TiVo Claims Cisco Infringes Digital Video Recorder Patents
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TiVo Inc. filed a lawsuit claiming that television set-top boxes made by Cisco Systems Inc. infringe patents related to digital-video recording services.
Cisco supplies equipment to companies including Verizon Communications Inc. and Time Warner Cable Inc. The boxes, which have DVR functions, infringe TiVo’s patents, according to the complaint filed yesterday in federal court in Marshall, Texas.