Patent Law Practice Center

TiVo Attack On Four Verizon Patents Among Reexamination Requests Filed Week Of 5/30/11

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

On Thursday, TiVo requested reexamination of three Verizon cable box patents, and on Friday, of a fourth Verizon patent (see ex parteRequest Nos. (9) through (12)).  These requests are only the latest development in an on-going patent war between the two companies that includes fronts at the ITC and in two District Courts.

Reexamination was requested for SynQor’s U.S. Patent No. 7,272,021 for power converters (see inter partes Request No. (1)).  In January, Judge Ward enjoined Artesyn/Astec and a series of other companies from infringing four SynQor patents, among them the ‘021 patent.  It is not yet clear from the PTO records who filed the request.

And Abbott Diabetes Care requested reexamination of three DexComanalyte-sensor devices in the long-term patent dispute between the companies (see ex parte Request Nos. (4), (5) & (6)). (more…)