Method for validating an electronic payment by a credit/debit card

US7769697B2 · kind B2 · utility

Assignee

• International Business Machines Corporation · US

Inventors

• Jacques Fieschi · Saint-Laurent-du-Var, FR
• Jean-Francois Le Pennec · Nice, FR
• Patrick Michel · La Gaude, FR
• Pascal Roy · Paris, FR

Key dates

• Filing date: Sep 11, 2006
• Grant date: Aug 3, 2010
• Expiry date: Aug 2, 2027

Classification

• Technology area (CPC G): Physics
• CPC primary: G07F7/1075
• WIPO field: IT methods for management
• WIPO sector: Electrical engineering

Abstract

A method for validating an electronic payment by a credit/debit card in a transaction system. The method includes registering a purchase of an article by a buyer using a credit/debit card associated with at least one PIN code, checking that the at least one PIN code is associated with the number of said credit/debit card provided by said buyer to said seller terminal, checking, by said electronic payment center, whether or not said at least one PIN code is valid, and one of: after the at least one PIN code is found to be valid, checking, by said electronic payment center, whether the electronic payment center has received a pre-validation from a third party; after the at least one PIN code is found to be valid, contacting a third party via a communication network and requesting that the third party validate the purchase; and after the at least one PIN code is found to be valid, contacting a third party via a communication network and requesting said at least one PIN code from the third party. The third party is a prime owner of the credit/debit card.