Cisco supplies set-top boxes to distributors like Verizon and Time Warner Cable that TiVo claims infringe on its patented DVR technology. The suit was filed in Texas federal court after Cisco filed a pre-emptive suit May 30 in California asking a judge to rule that it isn’t infringing on four TiVo patents. It’s just the latest patent fight for TiVo, which has won against AT&T, Microsoft and most recently Dish Network after a years-long court battle. It currently is in litigation against Verizon, Motorola Mobility and a separate case against Time Warner Cable.
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