ALEXANDRIA, Va., June 18 -- United States Patent no. 12,328,315, issued on June 10, was assigned to Inkit Inc. (Wilmington, Del.).

"Methods and systems for user authentication and file access control" was invented by Michael McCarthy (Wilmington, Del.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to methods for administering access to generated files. The method involves storing a file on a server. The server receives a request from a first client device to generate a uniform resource identifier (URI) associated with the file, an identity, and a dynamic expire time. The server generates the URI, which links to a resource comprising the file, and transmits it to a second client...