ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,750, issued on Dec. 2, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).

"User permission in a multi-tenant environment" was invented by Chun Hung Lin (Bellevue, Wash.), Vikas Ahuja (Sammamish, Wash.), Matthias Leibmann (Redmond, Wash.), Anshul Dube (Redmond, Wash.) and Shankaranand Arunachalam (Redmond, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cross-tenant authentication system is described. The system receives a user token from a client device that is registered with a first tenant of a service application of a server. The system receives a request, from the client device, to access a second feature of a second tena...