Investment Fund Targets VirnetX Patents In AIA Reviews

Law360, New York (April 15, 2015, 5:21 PM EDT) -- The Mangrove Partners Master Fund Ltd. filed two petitions with the Patent Trial and Appeal Board Tuesday challenging a pair of VirnetX Inc.’s networking patents, which have previously been asserted against Apple Inc., saying the challenged claims are unpatentable based on prior art.

Mangrove, which describes itself as a "value-oriented investment manager," told the PTAB that there is a reasonable likelihood it will prevail regarding at least one of the challenged claims in both U.S. Patent Numbers 6,502,135 and 7,490,151. Both patents address secure communications over the Internet.

“The challenged claims are unpatentable based on teachings set forth in at least...

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