ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,728, issued on April 29, was assigned to Meticulous Ai Ltd. (London).

"Deterministic replay of recorded user interaction and executed events" was invented by Quentin Sean Spencer-Harper (London), Gabriel Edward Spencer-Harper (London), Aleksandar Ivanov (London) and Daniel Robert Book (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, tools and methods to allow for the deterministic replay of nondeterministic events and testing of interactions with systems and interfaces. The system may record or retrieve user sessions corresponding to a first version of an application or user interface and replay the events of the user session with a se...