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Expired European patentEurope

Immediate ligand detection assay, a test kit and its formation

EP 0154734 B1 · Applicant: IMMUNEX 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 March 15, 1984 and granted August 29, 1990. A European patent lasts at most 20 years from filing, so its term ended March 15, 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 September 15, 2009.
  • 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.
FiledMarch 15, 1984
PublishedSeptember 18, 1985
GrantedAugust 29, 1990
Term endedMarch 15, 2004
Application numberEP 84301769
Classification (CPC)G01N33/542 +2 more

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedMarch 15, 1984PublishedSep 18, 1985Patent grantedAug 29, 1990Term endedMarch 15, 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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.