ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,216,983, issued on Feb. 4, was assigned to Google LLC (Mountain View, Calif.).

"Document mark-up and navigation using natural language processing" was invented by Ajit Narayanan (Mountain View, Calif.) and Lei Shi (Mountain View, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes obtaining a text document, generating a first mark-up of the text document by a first natural language processing (NLP) model, and displaying the text document and the first mark-up. The method also includes receiving a user interaction with a portion of the first mark-up. The portion of the first mark-up of the text document may be associated with a portion...