Patent Law Practice Center

Toshiba Attack On Two Rovi V-Chip Patents Among Reexamination Requests Filed Week Of 3/7/11

Here is the latest installment of Reexamination Requests from Scott Daniels, of Reexamination Alert and Practice Center Contributor….

Late last year, Rovi sued Toshiba, alleging that it infringes two patents covering V-Chip technology, U.S. Patent Nos. 6,305,016 and 6,701,523.  Toshiba has now replied to that allegation by requesting reexamination of both Rovi patents (see ex parte Request Nos. (16) & (17)).

The winner for the most reexaminations requested was TiVo who filed requests against seven Microsoft TV programming patents (see ex parteRequest Nos. (3) to (9)).

Finally, Xilinx’s assault on Intellectual Venture patents continued last week with requests filed against IV’s U.S. Patent Nos. 6,993,669 and 6,408,415 (see inter partes Request No. (3) & ex parte Request No. (31)). (more…)