Abstract: An enforceable property right and a system for controlling the manner of use of an item in accordance with usage rights. The enforceable property right includes an item ticket having a security mechanism incorporated therein and specifying an item for which the item ticket can be redeemed and a license associated with the item ticket. The license includes usage rights specifying a manner of use for redeeming the item ticket and a mechanism for unlocking said security mechanism.
Type:
Grant
Filed:
June 3, 2002
Date of Patent:
April 11, 2006
Assignee:
ContentGuardiHoldings, Inc.
Inventors:
Xin Wang, Bijan Tadayon, Thomas DeMartini, Michael Raley, Guillermo Lao, Eddie Chen, Charles P. Gilliam