ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,853, issued on Oct. 28, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).
"Shared item file retention" was invented by Kristian Elsebo (Tromso, Norway), Vegar Johan Pettersen (Tromso, Norway), Borge Lanes (Tromso, Norway), Audun Ostrem Nordal (Tromso, Norway) and Hakon Bergland Brugard (Tromso, Norway).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosed technology is generally directed to the retention of online files. An indication that a communication from a first user to a second user includes a reference to an online document is received. Responsive to the indication, via a first processor, a first request for metadata...