Honoring of electronic coupons
US7016860B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 13, 2001 |
| Grant date | Mar 21, 2006 |
| Priority date | — |
| Expiry date | Dec 17, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q30/0641
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
An electronic coupon, an electronic commerce system, and a method for the honoring of electronic coupons utilizing computing equipment are disclosed. In the method, an issuing party issues an electronic coupon to a customer. The customer presents the coupon for redemption to a redemption party. The redemption party transmits the coupon to an authentication party for authentication. If authentic, the authentication party charges the redemption party a fee and passes that fee to the issuing party. The redemption party honors the coupon for the customer and seeking reimbursement of the fee from the issuing party. The electronic coupon has a plurality of data fields, including: a coupon identifier, x, a first one-way hash function field, f(x), and a secure signature field.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.