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Expired European patentEurope

Method for amplifying nucleic acid by using double-stranded nucleic acid as template

EP 1275715 B1 · Applicant: Eiken Kagaku Kabushiki Kaisha

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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 March 30, 2001 and granted July 15, 2015. A European patent lasts at most 20 years from filing, so its term ended March 30, 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 September 30, 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.
FiledMarch 30, 2001
PublishedJanuary 15, 2003
GrantedJuly 15, 2015
Term endedMarch 30, 2021
Application numberEP 01917714
Classification (CPC)C12Q1/6844

Timeline

Timeline From EPO dates

2002200420062008201020122014201620182020Application filedMarch 30, 2001PublishedJan 15, 2003Patent grantedJuly 15, 2015Term endedMarch 30, 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

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