ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,725,126, issued on Sept. 1, was assigned to Snap Inc. (Santa Monica, Calif.).

"Ephemeral group chat" was invented by Nicholas Richard Allen (Venice, Calif.), Jonathan Dale Brody (Marina del Rey, Calif.), Chamal Samaranayake (Venice, Calif.) and William Wu (Marina del Rey, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, devices, systems, and computer readable media with instructions for group text communications between multiple devices, along with communication of associated data and automatic deletion of communications, are described. One embodiment involves generating a first ephemeral group chat, receiving a first ephemeral chat messag...