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Fortinet Fends Off Agency Review of Network Security Patent

Nov. 29, 2021, 8:33 PM

Cybersecurity company Forescout Technologies Inc. couldn’t persuade the Patent Trial and Appeal Board to review another patent owned by rival Fortinet Inc.

The board found Forescout failed to establish a reasonable likelihood that U.S. Patent No. 9,948,662, on providing security in a communication network, is obvious in view of two earlier patents.

The patent is one of several involved in parallel federal litigation filed by Fortinet against Forescout in the U.S. District Court for the Northern District of California. So far the patents have escaped early attempts to invalidate them on eligibility grounds.

Forescout challenged five of Fortinet’s patents ...