ALEXANDRIA, Va., May 26 -- United States Patent no. 12,639,442, issued on May 26, was assigned to Nanhu Laboratory (Jiaxing, China).

"Secure and trusted use method and system for large model based on confidential computing" was invented by Lei Zhang (Jiaxing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a secure and trusted use method and system for a large model based on confidential computing. In the method, a desensitization service party starts a service in a confidential computing environment; the confidential computing environment establishes a secure connection with a user terminal and the large model separately; the service receives, in the confidential computing environment, orig...