U.S. federal trademark · Serial No. 77033398 · Reg. No. 4949691
(1(a)): Electronic data verification services, namely, issuing legally binding electronic signatures for documents or files via a global computer network, thus allowing users to verify the date and time of the creation of electronic documents and to confirm that the electronic documents are authentic
44(e): Computer programs for time stamp acquisition, namely, for placing time stamps on electronic documents; computer programs for time stamp verification, namely, for verifying that the time stamps placed on electronic documents are accurate
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