Method and apparatus for transferring usage rights and digital work having transferrable usage rights

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7222104
APP PUB NO 20020184156A1
SERIAL NO

09867746

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Abstract

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A method and apparatus for facilitating transfer of usage rights for digital content. The system comprises digital content, a usage rights module containing usage rights information associated with the content for a user, a transfer permission module containing transfer permission information for the content, a current user identification module containing identity information indicating the identity of the user, and means for manipulating the current user identification module to change the identity information. The content can be transferred form one user to another and the current user identification module can be manipulated to reflect the current user and to permit the current user to have usage rights in the document.

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Patent Owner(s)

  • CONTENTGUARD HOLDINGS, INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gilliam, Charles P Darien, CT 35 1492
Lao, Guillermo Torrance, CA 77 2201
Nahidipour, Aram Mill Creek, WA 42 1236
Raley, Michael C Downey, CA 24 654
Ta, Thanh T Huntington Beach, CA 17 714
Tadayon, Bijan Germantown, MD 70 4487
Wang, Xin Los Angeles, CA 1340 12577

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