ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,730,930, issued on Sept. 8, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).

"Using a secure enclave to satisfy retention and expungement requirements with respect to private data" was invented by Sergey Yekhanin (Redmond, Wash.), Joshua Stanley Allen (Bellevue, Wash.), Ankit Srivastava (Bellevue, Wash.), Ralph Kennedy Johnston Jr. (Renton, Wash.) and Janardhan Dattatreya Kulkarni (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "Data may contain personal information and be subject to privacy requirements. The data may be encrypted and only a secure enclave may be able to decrypt the encrypted data. The secure enclave may be us...