ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,443,937, issued on Oct. 14, was assigned to Block Inc. (Oakland, Calif.).
"Application state transition based on instrument type" was invented by Corey Seiderman (San Francisco), Akshay Joglekar (Fremont, Calif.), Kevin Choi (San Francisco) and Patrick Belon (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques described herein are directed to point-of-sale (POS) authorization and access control. A POS application operating in a first state can send a first instruction to a reader device to prepare to read payment data associated with a payment instrument and, responsive to receiving the payment data from the reader device, can proces...