Palo Alto Loses Renewed Bid to Void Patent in $114 Million Loss

Palo Alto Networks Inc. failed for the second time to invalidate a Centripetal Networks LLC patent tied to a $113.6 million infringement award, as an administrative tribunal again upheld the patent in a dispute over firewall products.

The Patent Trial and Appeal Board upheld all 18 challenged claims of Centripetal’s US Patent No. 10,530,903, rejecting Palo Alto’s argument that earlier patents and publications made the invention too obvious to deserve patent protection. Palo Alto failed to show the cited prior art would have led a skilled engineer to configure existing systems to transmit alerts in the way Centripetal’s patent ...