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Content serialization by varying content properties, including varying master copy watermark properties

  • US 10,129,429 B2
  • Filed: 10/03/2008
  • Issued: 11/13/2018
  • Est. Priority Date: 10/05/2007
  • Status: Active Grant
First Claim
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1. A method of serializing a content item comprising:

  • analyzing a master copy of the content item stored in an electronic memory to determine parameters for embedding a master copy watermark in the content item, the master copy watermark conveying digital information within the content item that is common for copies of the content item; and

    from a master copy of the content item stored in an electronic memory, generating a unique copy of the content item by altering the master copy watermark, the alterations forming a pattern that comprises a unique copy watermark, wherein the alterations comprise variations in embedding the master copy watermark; and

    storing the unique copy in an electronic memory, the unique copy including the master copy watermark and the pattern comprising the unique copy watermark.

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