System and method for managing transfer of rights using shared state variables
US7774280B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2004 |
| Grant date | Aug 10, 2010 |
| Priority date | — |
| Expiry date | Dec 11, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2463/101
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method, system and device for transferring rights adapted to be associated with items from a rights supplier to a rights consumer, including obtaining a set of rights associated with an item, the set of rights including meta-rights specifying derivable rights that can be derived from the meta-; determining whether the rights consumer is entitled to the derivable rights specified by the meta-rights; and deriving at least one right from the derivable rights, if the rights consumer is entitled to the derivable rights specified by the meta-rights, wherein the derived right includes at least one state variable based on the set of rights and used for determining a state of the derived right.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.