Method and apparatus for a non-revealing do-not-contact list system
US7461263B2 · kind B2 · utility
28Cited by
6References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 24, 2003 |
| Grant date | Dec 2, 2008 |
| Priority date | — |
| Expiry date | Jan 4, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M3/38
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for a non-revealing do-not-contact list system in which a do-not-contact list of one-way hashed consumer contact information is provided to a set of one or more entities. The set of entities determine whether certain consumers wish to be contacted with the do-not-contact list without discovering actual consumer contact information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.