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Expired European patentEurope

Immunoassay for the detection of antibodies against DNA

EP 0205643 B1 · Applicant: PROGEN Biotechnik GmbH

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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 June 25, 1985 and granted March 13, 1991. A European patent lasts at most 20 years from filing, so its term ended June 25, 2005.
  • 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 December 25, 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.
FiledJune 25, 1985
PublishedDecember 30, 1986
GrantedMarch 13, 1991
Term endedJune 25, 2005
Application numberEP 85107836
Classification (CPC)G01N33/5308 +1 more

Timeline

Timeline From EPO dates

1986198819901992199419961998200020022004Application filedJune 25, 1985PublishedDec 30, 1986Patent grantedMarch 13, 1991Term endedJune 25, 2005

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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