ALEXANDRIA, Va., July 9 -- United States Patent no. 12,354,603, issued on July 8, was assigned to Amazon Technologies Inc. (Seattle).

"Natural language response generation" was invented by Sungjin Lee (Woodinville, Wash.), Di Jin (Santa Clara, Calif.), Dilek Hakkani-Tur (Los Altos, Calif.) and Yang Liu (Los Altos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for generating a natural language response to a user input of a dialog are described. A system receives a natural language user input of a dialog and determines dialog history data including a previous natural language user input of the dialog. Based on the first natural language user input and the dialog history data, the system gene...