System for controlling the distribution and use of digital works

  • US 7,523,072 B2
  • Filed: 12/16/2005
  • Issued: 04/21/2009
  • Est. Priority Date: 11/17/1995
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method for securely rendering digital documents, comprising:

  • retrieving, by a document platform, a digital document and at least one usage right associated with the digital document from a document repository, the at least one usage right specifying a manner of use indicating the manner in which the digital document can be rendered;

    storing the digital document and the at least one usage right in separate files in the document platform;

    determining, by the document platform, whether the digital document may be rendered based on the at least one usage right; and

    if the at least one usage right allows the digital document to be rendered on the document platform, rendering the digital document by the document platform.

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