ALEXANDRIA, Va., June 5 -- United States Patent no. 12,277,235, issued on April 15, was assigned to American Express Travel Related Services Co. Inc. (New York).

"Peer-to-peer confidential document exchange" was invented by Jitendra S. Dikhit (Bangalore, India), Alaric Eby (Scottsdale, Ariz.), Andras L. Ferenczi (Peoria, Ariz.) and Ashish Kumar (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for peer-to-peer secure document exchange are disclosed. The system may allow a document provider to securely transmit a certified document to a document verifier using decentralized storage. The verifier system may generate a session key pair and transmit the session public key to a ...