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System for controlling the distribution and use of rendered digital works through watermarking

  • US 8,205,089 B2
  • Filed: 08/06/2009
  • Issued: 06/19/2012
  • Est. Priority Date: 02/28/1997
  • Status: Expired due to Fees
First Claim
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1. A computer-implemented method for controlling the distribution and use of documents, the method comprising:

  • determining, with a computing device, a usage right that specifies how a first document may be used or distributed, wherein the usage right includes information for instructing a computing device to embed a watermark into a second document, the second document being generated as a result of exercising the usage right over the first document;

    gathering, with a computing device, watermark data while the usage right is exercised over the first document;

    generating, with a computing device, a watermark based on the gathered watermark data; and

    embedding, with a computing device, the generated watermark into the second document in accordance with the information included in the usage right.

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