System and method for controlling the use of a digital work in accordance with usage rights associated with the digital work

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United States of America Patent

PATENT NO 8443457
SERIAL NO

13585420

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Abstract

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Methods, apparatus, and media for controlling the use of a digital work in accordance with usage rights associated with the digital work. An exemplary server-side method comprises storing a description file associated with a content file of a digital work, the description file including usage rights for the content file, the usage rights indicating a permitted use for the content file of the digital work, communicating with a rendering device, receiving a request to render the content of the digital work originating from the rendering device, processing the request to render including enforcing the usage rights by granting or rejecting the request to render in accordance with the usage rights, and performing closing transaction steps upon detecting that the rendering device has finished rendering the content of the digital work.

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Patent Owner(s)

Patent OwnerAddress
CONTENTGUARD HOLDINGS INC103 FOULK ROAD SUITE 200-M WILMINGTON DE 19803

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pirolli, Peter L T San Francisco, US 58 4325
Stefik, Mark J Portola Valley, US 151 10940

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