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Three New Defendants Join Adobe and DocuSign in Rothschild’s Digital Verification Campaign

September 13, 2016

Digital Verification Systems, LLC, one of the many NPEs managed by inventor Leigh M. Rothschild, has filed three more lawsuits asserting a single patent (9,054,860) generally related to embedding a unique identifier in a document. Accused are the e-signature products on the websites of the new defendants, HelloSign (2:16-cv-01006), Serfiti (2:16-cv-01008), and SignEasy (2:16-cv-01007). This set of complaints follows a wave of cases filed in May 2016.


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