ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,737,779, issued on Sept. 15, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Smart contract based user feedback for event contexts" was invented by Venkata Vara Prasad Karri (Visakhapatnam, India), Sarbajit K. Rakshit (Kolkata, India), Sri Harsha Varada (Vizianagaram, India) and Venkatesh Kuntla (Telangana, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Mechanisms are provided for collecting user feedback information from sensors associated with user devices in accordance with smart contract rules. For an event context for an event, a provider portion of a smart contract is generated. The event context indicates an occurren...