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:
Nov. 09, 2021
Filed:
May. 18, 2020
Wells Fargo Bank, N.a., San Francisco, CA (US);
Michael Thomas, San Francisco, CA (US);
Jesse Lee, Dublin, CA (US);
Steve Puffer, Champlin, MN (US);
Jerome Rhodes, Hayward, CA (US);
Wells Fargo Bank, N.A., San Francisco, CA (US);
Abstract
A method for authenticating a transaction includes replacing a first security value of a transaction device with a second security value; receiving, during a first transaction, the second security value; authenticating the first transaction based at least in part on the second security value; determining that a predetermined number of transactions have occurred during which the second verification value was not rewritten since the second security value was replaced; responsive to determining that the predetermined number of transactions have occurred, replacing the second security value on the transaction device with a third security value; receiving, during a second transaction, the third security value; and authenticating the second transaction based at least in part on the third security value.