Digital rights management license delivery system and method

  • US 7,310,729 B2
  • Filed: 03/12/2003
  • Issued: 12/18/2007
  • Est. Priority Date: 03/12/2003
  • Status: Active Grant
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First Claim
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1. A system for digital rights management comprising:

  • a client computer having software for receiving and playing encrypted media content, said client computer further having software for transmitting a request to a server to obtain said encrypted media content;

    a host computer system, said host computer system including a server having software for mapping a plurality of unique unencrypted logical addresses to a single logical address, said single logical address pointing to a unit of encrypted media, said host computer system further having software for determining the number of times delivery of said unit of encrypted media is requested from each of said plurality of unique logical addresses and for determining whether the number of requests for said unit of encrypted media from each of said plurality of unique logical addresses exceeds a predetermined license delivery event limit and, if the number of requests for said unit of encrypted media from one of said plurality of unique logical addresses does not exceed said predetermined license delivery event limit, authorizing the transmittal of a digital rights management license to decrypt said unit of encrypted media to said client computer.

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