Optima Direct, LLC has filed a second round of suits in the litigation campaign that it began in October 2019, one of five campaigns launched by the NPE throughout the year. The new defendants are IDaptive (1:19-cv-02336), OneLogin (1:19-cv-02337), and Silverfort (1:19-cv-02339), each sued in Delaware over the same patent, generally related to using a third-party for key escrow and encrypted message transmission to send electronic documents, asserted against Assa Abloy (HID Global), Okta, and Ping in October complaints filed across multiple districts. Two of those earlier cases have already closed.