ALEXANDRIA, Va., July 16 -- United States Patent no. 12,670,335, issued on June 30, was assigned to Oracle International Corp. (Redwood Shores, Calif.).

"Chatbot system for structured and unstructured data" was invented by Dhileeban Kumaresan (Foster City, Calif.), Sreeji Krishnan Das (Fremont, Calif.) and Venktesh Alvenkar (Hyderabad, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for operating a chatbot system for enterprise-level conversational agents are disclosed. These techniques are performed by an application or cloud service executing on one or more computing devices. An enterprise system can deploy conversational agents onto user devices to run as chat interfaces for logging analyt...