ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,792, issued on April 29, was assigned to Zendesk Inc. (San Francisco).

"Dense retrieval of document templates" was invented by Mariana Sa Correia Leite Almeida (Lisbon, Portugal), Bruno Emanuel Da Graca Martins (Amora, Portugal) and Tiago Manuel Reis Mesquita (Lisbon, Portugal).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method are provided for supporting dense retrieval of a template (e.g., a document template) for responding to a query or other textual input. The templates and past queries that were responded to using the templates are stored. A machine-learning model for matching a new query to the most appropriate template is train...