US Patent No: 7,664,708

Number of patents in Portfolio can not be more than 2000

System for controlling the distribution and use of digital works using digital tickets

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ALSO PUBLISHED AS: 20060271484
ATTORNEY / AGENT: (SPONSORED)
 

Importance

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Abstract

A method, system and software for controlling the number of times that a usage right associated with a digital work can be exercised, including creating a digital work; determining a usage right for the digital work, the usage right specifying a digital ticket, the digital ticket indicating a number of times the usage right may be exercised; requesting access to the digital work including an identification of the usage right; determining the validity of the usage right based on a number of times the digital ticket has been used; granting or denying access to the digital work based on the result of the determining step; and updating the digital ticket if access to the digital work is granted.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
CONTENTGUARD HOLDINGS, INC.WILMINGTON, DE115

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pirolli, Peter L T San Francisco, CA 59 2159
Stefik, Mark J Portola Valley, CA 133 5368

Cited Art

Patent Info (Count) # Cites Year
 
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Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
FELSHER, DAVID P., MR. (1)
7,869,591 System and method for secure three-party communications 1 2007
 
PANASONIC CORPORATION (1)
7,835,993 License management device and method 0 2006

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