TiVo (TIVO -5.5%) shares tumble after the U.S. Patent and Trademark Office rejects a software...

|About: TiVo Inc. (TIVO)|By:, SA News Editor

TiVo (TIVO -5.5%) shares tumble after the U.S. Patent and Trademark Office rejects a software claim in a TiVo patent. TiVo says the action is separate from its legal disputes with EchoStar (SATS +1.1%) and Dish Network (DISH +0.2%). Dish, however, says that the software claims in question are the same as those found to have been infringed by EchoStar. (PR)