4. Data processing: financial, business practice, management, or co
  5. Automated electrical financial or business practice or...
  6. Electronic shopping

Contentguard Holdings Inc.

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Document distribution management method and apparatus using...

Information security – Prevention of unauthorized use of data including prevention...
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Extensible rights expression processing system

Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
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Method and apparatus for automatically deploying security...

Electrical computers and digital processing systems: support – Data processing protection using cryptography – By stored data protection
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Method and apparatus for client customization by executing...

Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
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Method and apparatus for dynamically assigning usage rights...

Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
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