TiVo, the San Jose company that pioneered digital video recording for television, Monday sued EchoStar, the parent company of satellite TV provider Dish Network, alleging patent infringement of specific DVR features.

The suit, filed in federal district court in Texas, alleges that EchoStar's DVR infringes TiVo's ``Time Warp'' patent, which includes the method used to allow viewers to record one program while watching another and the storage format that supports advanced ``TrickPlay'' capabilities such as pausing live television, rewinding and slow motion.

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