The Federal Circuit recently issued a nonprecedential opinion in Amazon.com, Inc. v. ZitoVault, LLC, affirming a decision by the Patent Trial and Appeal Board (PTAB) that e-commerce giant Amazon failed to prove a patent owned by security solutions provider ZitoVault was unpatentable. The Federal Circuit majority of Circuit Judges Kara Stoll and Kathleen O’Malley disagreed with Amazon’s that the PTAB erred in its claim construction. Dissenting, Chief Judge Sharon Prost wrote that she believed the PTAB’s analysis of a specific claim term was flawed, and she would have vacated the PTAB decision and remanded the case for further consideration. The patent-at-issue was ZitoVault’s U.S. Patent No. 6484257, titled System and Method for Maintaining N Number of Simultaneous Cryptographic Sessions Using a Distributed Computing Environment. Issued in November 2002, it claims a software architecture for conducting a plurality of cryptographic sessions over a distributed computing environment.
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