The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 13, 2011
Filed:
Jun. 28, 2010
Mai Nguyen, Buena Park, CA (US);
Xin Wang, Torrance, CA (US);
Thanh Ta, Huntington Beach, CA (US);
Guillermo Lao, Torrance, CA (US);
Eddie J. Chen, Rancho Palos Verdes, CA (US);
Mai Nguyen, Buena Park, CA (US);
Xin Wang, Torrance, CA (US);
Thanh Ta, Huntington Beach, CA (US);
Guillermo Lao, Torrance, CA (US);
Eddie J. Chen, Rancho Palos Verdes, CA (US);
ContentGuard Holdings, Inc., Wilmington, DE (US);
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.