VALIDATING KEYING MATERIAL BY USING A VALIDATION AREA OF READ-ONLY MEDIA TO PREVENT PLAYBACK OF UNAUTHORIZED COPIES OF CONTENT STORED ON THE MEDIA
Details for Australian Patent Application No. 2002338257 (hide)
International Classifications
Event Publications
20 February 2003 Complete Application Filed
Priority application(s): 09/822,542 30.03.01 US
3 April 2003 Application Open to Public Inspection
Published as AU-A-2002338257
19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired
This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.
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