DVR pioneer TiVo has been engaged in a long-running patent dispute with Echostar, in which Echostar has been found guilty of infringing on TiVo’s so-called "time warp" patent for time-shifting broadcast content. Although infringing Dish Network DVRs are still functioning pending appeal, TiVo has been awarded more than $200 million in damages after the "time warp" patent was found to be valid and enforceable back in late 2007.
Now, Echostar might just have a glimmer of hope: in a re-examination process prompted by Echostar’s appeal, the U.S Patent and Trademark Office has issued a preliminary rejection of TiVo’s time warp patent (6,233,389), owing to two prior patents involving similar technology. Dish Network wasted no time hailing the decision:







