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Expired European patentEurope

Analysis of dna

EP 0668927 B1 · Applicant: MEDICAL RESEARCH COUNCIL

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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 24, 1992 and granted May 14, 1997. A European patent lasts at most 20 years from filing, so its term ended January 24, 2012.
  • 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 24, 2017.
  • 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 24, 1992
PublishedAugust 30, 1995
GrantedMay 14, 1997
Term endedJanuary 24, 2012
Application numberEP 92903001
Classification (CPC)C12Q1/6876 +2 more

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedJan 24, 1992PublishedAug 30, 1995Patent grantedMay 14, 1997Term endedJan 24, 2012

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.