US Patent Issued to AppDirect on March 31 for "Offline license validator" (Canadian Inventor)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,638, issued on March 31, was assigned to AppDirect Inc. (San Francisco).

"Offline license validator" was invented by Daniel P. Craggs (Montreal).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems, and storage media for offline license validation are disclosed. Exemplary implementations may: receive, at a server, a first public identifier of an offline device; identify the offline device based on the first public identifier; determine the offline device has an invalid license; determine the offline device has a valid license; generate a second public identifier for the offline device based on a second shared secret; generate a second pub...