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Expired European patentEurope

Process for assaying the activity of tissue plasminogen activator, and kit suitable for use in said process

EP 0094720 B1 · Applicant: Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO

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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 May 9, 1983 and granted October 15, 1986. A European patent lasts at most 20 years from filing, so its term ended May 9, 2003.
  • 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 November 9, 2008.
  • 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.
FiledMay 9, 1983
PublishedNovember 23, 1983
GrantedOctober 15, 1986
Term endedMay 9, 2003
Application numberEP 83200670
Classification (CPC)C12Q1/56

Timeline

Timeline From EPO dates

1984198619881990199219941996199820002002Application filedMay 9, 1983PublishedNov 23, 1983Patent grantedOct 15, 1986Term endedMay 9, 2003

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.