The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 02, 2025
Filed:
Aug. 19, 2021
Visa International Service Association, San Francisco, CA (US);
Balaji Natarajan, Austin, TX (US);
Krishnaram Muthusamy, Austin, TX (US);
Visa International Service Association, San Francisco, CA (US);
Abstract
Systems, methods, and computer program products: determine, a network delay equal to a server system time stamp associated with a system time of a server at which a login request from a user device is received by the server minus a first server system time stamp received in the login request; initiate a session timer from a time equal to the first user system time stamp plus the network delay; transmit, to the user device, an authentication cookie or access token; receive, from the user device, a further request including the authentication cookie or access token and a user system time stamp associated with the system time of the user device; validate, the authentication cookie or access token; determine, a time difference between the user system time stamp plus the network delay and the session timer; and authorize or deny, based on the time difference, the further request.