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Expired European patentEurope

DNA sequence coding for a plant toxin of the ricin type, or a portion thereof

EP 0145111 B1 · Applicant: THE UNIVERSITY OF WARWICK

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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, 1984 and granted May 9, 1990. A European patent lasts at most 20 years from filing, so its term ended July 13, 2004.
  • 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, 2010.
  • 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, 1984
PublishedJune 19, 1985
GrantedMay 9, 1990
Term endedJuly 13, 2004
Application numberEP 84304801
Classification (CPC)C07K14/415

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedJuly 13, 1984PublishedJune 19, 1985Patent grantedMay 9, 1990Term endedJuly 13, 2004

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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