ALEXANDRIA, Va., May 5 -- United States Patent no. 12,619,641, issued on May 5, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).

"Finding similar documents using least frequent terms" was invented by Ge Wang (Sammamish, Wash.), Samuel J. Shelton (Kirkland, Wash.), Bhavanesh Rengarajan (Sammamish, Wash.), Nicholas James Robinson (Redmond, Wash.), Sundar Kameswaran (Redmond, Wash.) and Venkata Rao Saladi (Redmond, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method for performing a document search action includes receiving a search request identifying a sample document. A plurality of terms occurring within the sample document is identified. Each term is score...