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EP 1684367 A2 · Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

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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 February 2, 2001 and never granted as a European patent. Had it been granted, its 20-year term would have ended February 2, 2021.
  • 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 August 2, 2026.
  • 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.
FiledFebruary 2, 2001
PublishedJuly 26, 2006
GrantedNever granted
Term endedFebruary 2, 2021
Application numberEP 06008973
Classification (CPC)H10K59/80522 +2 more

Timeline

Timeline From EPO dates

2002200420062008201020122014201620182020Application filedFeb 2, 2001PublishedJuly 26, 2006Term endedFeb 2, 2021

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.