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Expired European patentEurope

Short-chain peptide dye conjugates used as contrast agents for optical diagnostics

EP 1176987 B1 · Applicant: INSTITUT FÜR DIAGNOSTIKFORSCHUNG GmbH AN DER FREIEN UNIVERSITÄT BERLIN

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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 28, 2000 and granted February 11, 2004. A European patent lasts at most 20 years from filing, so its term ended March 28, 2020.
  • 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 28, 2025.
  • 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 28, 2000
PublishedFebruary 6, 2002
GrantedFebruary 11, 2004
Term endedMarch 28, 2020
Application numberEP 00922560
Classification (CPC)C07K1/1077 +2 more

Timeline

Timeline From EPO dates

2001200320052007200920112013201520172019Application filedMarch 28, 2000PublishedFeb 6, 2002Patent grantedFeb 11, 2004Term endedMarch 28, 2020

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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