Method and apparatus for assigning consequential rights to documents and documents having such rights

US6963858B2 · kind B2 · utility

Assignee

• CONTENTGUARD HOLDINGS, INC. · US

Inventors

• Xin Wang · Los Angeles, US
• Eddie Chen · Rancho Palos Verdes, US
• Thomas DeMartini · Culver City, US
• Charles Gilliam · Darien, US
• Guillermo Lao · Torrance, US
• Aram Nahidipour · Mill Creek, US
• Michael Raley · Downey, US
• Thanh Ta · Tecate Mission Road, US
• Bijan Tadayon · Germantown, US

Key dates

• Filing date: Dec 11, 2002
• Grant date: Nov 8, 2005
• Expiry date: Dec 11, 2022

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S707/99939
• WIPO field: IT methods for management
• WIPO sector: Electrical engineering

Abstract

A rights management system including one or more consequential rights associated with digital content, and specifying a manner of use of the digital content, a right management module that enforces the rights permitting use of the digital content in accordance with the rights upon occurrence of a consequential event. The consequential event is based on another usage right. In one embodiment, the consequential event is the exercise, expiration, or possession of another usage right.