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:
Mar. 04, 2025
Filed:
Mar. 05, 2021
Visa International Service Association, San Francisco, CA (US);
Christian Aabye, Redwood City, CA (US);
Alexandre Pierre, San Mateo, CA (US);
Pawel Chrobok, Alameda, CA (US);
Visa International Service Association, San Francisco, CA (US);
Abstract
A method is disclosed. The method includes receiving, by an access control server, an authentication request message comprising a credential or a token from an access device, after the access device receives the credential or the token from a portable device of a user. The method also includes responsive to receiving the authentication request message, transmitting, by the access control server, a challenge message to a user device associated with the user; generating, by the access control server, an authentication indicator. The method also includes transmitting, by the access control server, an authentication response message including the authentication indicator to the access device.