Microsoft files patent suit against TiVo

C|Net | at | by Mike

Microsoft has accused TiVo of illegally using video purchasing and delivery technology in its digital video recorders, The Wall Street Journal is reporting.

Microsoft filed suit against the DVR maker on Tuesday for infringing on two Microsoft patents as a way of defending its partner, AT&T, which is currently involved in a legal dispute with TiVo over the same technology. TiVo sued AT&T and Verizon in August over the "time warping" function in both companies' digital video services. AT&T uses Microsoft's video platform for its U-Verse TV IPTV service.