ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,837, issued on July 8, was assigned to MICROSOFT TECHNOLOGY LICENSING LLC (Redmond, Wash.).

"Preventing data spillage in multi-tenant services via request and response containerization with provenance checks" was invented by Raghvendra Maloo (Sammamish, Wash.), Vivek Roy (Vancouver, Canada) and Mohammad Tajvidi Reza (Vancouver, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "The techniques disclosed herein prevent data spillage in multi-tenant services via request and response containerization with provenance checks. When a web request is received on behalf of a tenant, a request container is created and initialized with identifying information...