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Expired European patentEurope

Method for managing defective area on write-once optical recording medium, and optical recording medium using the same

EP 1584091 B1 · Applicant: LG ELECTRONICS INC.

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

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Why it's free to use

  • Filed November 27, 2003 and granted March 25, 2015. A European patent lasts at most 20 years from filing, so its term ended November 27, 2023.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • We check European rights only. A US or other national patent in its family could still be in force: check its family on Espacenet or Google Patents.
FiledNovember 27, 2003
PublishedOctober 12, 2005
GrantedMarch 25, 2015
Term endedNovember 27, 2023
Application numberEP 03774353
Classification (CPC)G11B7/00736 +2 more

Timeline

Timeline From EPO dates

2004200620082010201220142016201820202022Application filedNov 27, 2003PublishedOct 12, 2005Patent grantedMarch 25, 2015Term endedNov 27, 2023

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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