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Expired European patentEurope

Use of rna polymerase to improve nucleic acid amplification process

EP 0776376 B1 · Applicant: Akzo Nobel N.V.

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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 July 13, 1995 and granted November 21, 2001. A European patent lasts at most 20 years from filing, so its term ended July 13, 2015.
  • 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 January 13, 2021.
  • 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.
FiledJuly 13, 1995
PublishedJune 4, 1997
GrantedNovember 21, 2001
Term endedJuly 13, 2015
Application numberEP 95929679
Classification (CPC)C12Q1/6865

Timeline

Timeline From EPO dates

1996199820002002200420062008201020122014Application filedJuly 13, 1995PublishedJune 4, 1997Patent grantedNov 21, 2001Term endedJuly 13, 2015

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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