ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,231,286, issued on Feb. 18, was assigned to RAKUTEN SYMPHONY INC. (Tokyo).

"System and method for two-stage event notification" was invented by Diego Reinecke Enriquez (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A data payload is generated to describe an event, and includes a priority value indicating a level of urgency for response. Text-based notifications are generated to have text content based on the payload contents and formatted according to a format standard for one or more text transmission services, and then transmitted to user devices. Additionally, audio-based notifications, having audio content based on the payload contents, are s...