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System and method for protecting digital works on a communication network

  • US 20030095660A1
  • Filed: 09/19/2002
  • Published: 05/22/2003
  • Est. Priority Date: 10/15/2001
  • Status: Abandoned Application
First Claim
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1. A system for protecting digital works in a communication network, the digital works being shared in a peer-to-peer manner via the communication network among a plurality of user terminals, the system comprising:

  • one or more intermediate servers for performing intermediation of data shared via the communication network;

    one or more list provision servers for providing list information to the intermediate servers; and

    a work protection server for connecting with a corresponding intermediate server according to list information provided by the list provision server, searching for digital work files shared via the intermediate server using a preset search condition, calculating a detected saturation by examining the presence of identifiers in the searched digital work files, generating file and connection information about authorized digital work files, and causing the authorized digital works to be shared on the communication network in accordance with the detected saturation and a predefined targeted saturation.

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