ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,991, issued on March 17, was assigned to GOOGLE LLC (Mountain View, Calif.).

"Maintaining session identifiers across multiple webpages for content selection" was invented by Justin Lewis (Mountain View, Calif.) and Thomas Price (Mountain View, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for maintaining session identifiers across multiple webpages for content selection are described herein. A server can generate a session identifier corresponding to the client device for use in selecting content to be served across the information resources of a content publisher. The server can then receive, from the client device, a r...