Method and apparatus for managing digital content usage rights

Details for Australian Patent Application No. 2002234254 (hide)

Owner Contentguard Holdings, Inc.

Inventors Tieu, Vincent; Lao, Guillermo; Jacobs, Rory; Nguyen, Mai; Ham, Manuel

Agent Davies Collison Cave

Pub. Number AU-B-2002234254

PCT Pub. Number WO2002/057922

Priority 60/261,753 17.01.01 US

Filing date 17 January 2002

Wipo publication date 30 July 2002

Acceptance publication date 21 April 2005

International Classifications

G06F 011/30 Error detection - Monitoring

Event Publications

13 February 2003 Application Open to Public Inspection

  Published as AU-B-2002234254

21 April 2005 Application Accepted

  Published as AU-B-2002234254

18 August 2005 Standard Patent Sealed

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