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Maintaining tracking information for electronic documents

  • US 7,933,874 B2
  • Filed: 11/14/2006
  • Issued: 04/26/2011
  • Est. Priority Date: 11/14/2006
  • Status: Expired due to Fees
First Claim
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1. One or more computer storage media having a plurality of instructions that, when executed by one or more processors, causes the one or more processors to:

  • generate an electronic document comprising;

    a root relationship part that identifies each of a payload part, a tracking information part and a plurality of digital rights management (DRM) parts;

    the payload part that stores data for the electronic document;

    the tracking information part that stores tracking information for the electronic document, wherein the tracking information is configured to store routing information relating to one or more computing devices the electronic document passes through when the electronic document is sent to each recipient in a list of recipients;

    a first DRM part identifying the payload part via a first DRM relationship part, and storing information protecting access to the payload part; and

    a second DRM part identifying the tracking information part via a second DRM relationship part, and storing information protecting access to the tracking information part, wherein the first DRM part and the second DRM part assign different DRM rights to the payload part and the tracking information part; and

    store each of the payload part, the tracking information part, the first DRM part, and the second DRM part of the electronic document in a single package for communication.

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