Microsoft Sues TiVo 112
doperative notes that "TiVo [is accused] of infringing four patents. Microsoft is asking that TiVo be barred from importing the digital-video recorders, which are primarily made in Mexico and sold in the U.S... The four patents in the ITC case relate to program schedules and selection, controlling the interface, and a way to restrict use of the DVR based on the program’s rating."