EchoStar, Dish file TiVo suit

From Times Wire Services

Dish Network Corp. and EchoStar Corp. said they filed a lawsuit asking for a ruling that their new digital video recorder software doesn't infringe a TiVo Inc. patent.

TiVo won an appeals court ruling that older versions of the software violated the patent, and it is seeking a ruling in Texas that Dish is in contempt of an order to stop using the TiVo technology.

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