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Rendering rights delegation system and method

  • US 20050138357A1
  • Filed: 10/01/2004
  • Published: 06/23/2005
  • Est. Priority Date: 10/03/2003
  • Status: Active Grant
First Claim
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1. A method of distributing content provided by a content provider system, the method comprising:

  • storing the content and a first digital license on a first device, said first digital license being adapted to govern the use of the content by the first device and having a first expiration time period;

    transmitting a first digital request from a secondary device to the first device, said first digital request corresponding to a first request for use of the content;

    transmitting a second digital license from the first device to the secondary device after receipt by the first device of the first digital request, said second digital license governing the use of the content by the secondary device and having a second expiration time period that is less than the first expiration time period;

    providing at least a first portion of the content from the first device to the secondary device, said at least first portion of the content being encrypted; and

    decrypting the at least first portion of the content at the secondary device during at least a portion of the second expiration time period.

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