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Expired European patentEurope

Encoding method and memory apparatus

EP 1496519 B1 · Applicant: Sony Corporation

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Overview

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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 January 21, 1999 and granted August 23, 2006. A European patent lasts at most 20 years from filing, so its term ended January 21, 2019.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by July 21, 2024.
  • 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.
FiledJanuary 21, 1999
PublishedJanuary 12, 2005
GrantedAugust 23, 2006
Term endedJanuary 21, 2019
Application numberEP 04023697
Classification (CPC)G11C29/00 +2 more

Timeline

Timeline From EPO dates

2000200220042006200820102012201420162018Application filedJan 21, 1999PublishedJan 12, 2005Patent grantedAug 23, 2006Term endedJan 21, 2019

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.