Microsoft Seeks AIA Review Of VirnetX Patents

Law360, Los Angeles (February 5, 2014, 5:10 PM EST) -- Microsoft Corp. filed petitions Tuesday seeking inter partes review by the U.S. Patent and Trademark Office of two network security patents that VirnetX Holding Corp. has accused it of infringing, including one that it previously licensed from the company, seeking a finding that the patents are invalid as anticipated or obvious.

In a series of four petitions, Microsoft asked the USPTO to institute inter partes review of VirnetX's U.S. Patent Numbers 7,188,180 and 7,987,274, and cancel the challenged claims as unpatentable in light of prior art....
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