ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,405, issued on March 3, was assigned to Amazon Technologies Inc. (Seattle).

"Natural language prompt generation" was invented by Anjishnu Kumar (Seattle), Sudipta Kar (Seattle), Zeynabalsadat Raeesy (Seattle), Jaewon Choi (Vancouver, Canada), Omar Zia Khan (Clyde Hill, Wash.), Anand Ramachandran (Campbell, Calif.), Jeffrey Hudson Lierman (Kirkland, Wash.) and Abhinav Sethy (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for determining a follow-up natural language prompt, to continue a user-system dialog, are described. The system determines ASR output data representing a user input and/or a system-generated responsive thereto. Th...