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Expired European patentEurope

Heparan sulfate 2-0-sulfotransferase

EP 0756004 B1 · Applicant: SEIKAGAKU KOGYO KABUSHIKI KAISHA (SEIKAGAKU CORPORATION)

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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 July 23, 1996 and granted August 11, 2004. A European patent lasts at most 20 years from filing, so its term ended July 23, 2016.
  • 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 23, 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.
FiledJuly 23, 1996
PublishedJanuary 29, 1997
GrantedAugust 11, 2004
Term endedJuly 23, 2016
Application numberEP 96305410
Classification (CPC)C12N9/13

Timeline

Timeline From EPO dates

1997199920012003200520072009201120132015Application filedJuly 23, 1996PublishedJan 29, 1997Patent grantedAug 11, 2004Term endedJuly 23, 2016

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.