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Expired European patentEurope

Method for assaying proteolytic enzymes using fluorescence-quenched substrates

EP 1019528 B1 · Applicant: NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNO

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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 2, 1997 and granted October 29, 2003. A European patent lasts at most 20 years from filing, so its term ended January 2, 2017.
  • 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 2, 2022.
  • 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 2, 1997
PublishedJuly 19, 2000
GrantedOctober 29, 2003
Term endedJanuary 2, 2017
Application numberEP 97900477
Classification (CPC)C12Q1/37 +1 more

Timeline

Timeline From EPO dates

1998200020022004200620082010201220142016Application filedJan 2, 1997PublishedJuly 19, 2000Patent grantedOct 29, 2003Term endedJan 2, 2017

Sources & verification

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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

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