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Expired Australian patentAustralia

Information recording device information recording/reproduction device information recording method program and recording medium for the same and information holding medium

AU 2003242425 · Applicant: Sony Corporation

AusPat record

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Its specification, documents and status are on IP Australia's AusPat.

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Listed from its IP Australia record in Patent Yard's archive of Australian patents past their term. Its claims, description and drawings are in the AusPat record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed May 23, 2003 and granted March 5, 2009. An Australian standard patent lasts 20 years from its date of patent, which is at most a year after this filing, so its term ended by May 23, 2024.
  • Term extensions apply only to pharmaceutical patents, and it isn't classified as one.
  • We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 23, 2003
GrantedMarch 5, 2009
Term ended byMay 23, 2024
Application numberAU 2003242425
Classification (IPC)G11B20/10 +2 more

Timeline

Timeline From IP Australia dates

2004200720102013201620192022Application filedMay 23, 2003Patent grantedMarch 5, 2009Term ended byMay 23, 2024

Sources & verification

Everything on this page comes from the IP Australia record linked above. Data from IP Australia's IPGOD, licensed under CC BY 2.5 AU.