Method and system for subscription digital rights management

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8275716
APP PUB NO 20020198846A1
SERIAL NO

10162698

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Abstract

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A system and method for managing use of items having usage rights associated therewith. The system includes an activation device adapted to issue a software package having a public and private key pair, the public key being associated with a user, a license device adapted to issue a license, a usage device adapted to receive the software package, receive the license and allow the user to access the item in accordance with the license, and a subscription managing device adapted to maintain a subscription list including the public key associated with the user. License's is issued by the license device upon verifying presence of the public key in the subscription list corresponding to requested content.

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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
Lao, Guillermo Torrance, US 77 2201

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