Bloomberg Law
March 16, 2018, 6:07 PM UTC

VirnetX Can’t Revive Communications Patents That Apple Challenged

Malathi Nayak

VirnetX’s appeal of U.S. patent office cancellations of online communications patents that Apple Inc. challenged has been rejected by a federal appeals court.

The U.S. Court of Appeals for the Federal Circuit affirmed, without explanation, Patent and Trademark Office’s Patent Trial and Appeal Board orders issued in 2015 invalidating four VirnetX patents on technology used for secure communications over the internet. VirnetX filed appeals, which were consolidated into one case at the Federal Circuit in 2016.

The ruling comes amid a nearly decade-long patent battle between VirnetX and Apple Inc. that spans proceedings at the district court, patent office and ...

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