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.
Read more: [URL=http://www.mercurynews.com/mld/mercurynews/business/7643098.htm]The Mercury News[/URL].
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