ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,231,505, issued on Feb. 18, was assigned to Capital One Services LLC (McLean, Va.).

"Activation of an application session based on authentication of a user device and a characteristic of the user device" was invented by Karn Aggarwal (Arlington, Va.) and Keith Walker (Arlington, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some implementations, a system may receive, from a user device, a user-side request associated with establishing an application session, wherein the user-side request includes an optical code. The system may receive, from an agent device, an agent-side request associated with the agent device joining the application session, ...