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Expired European patentEurope

Determination and quantification of saccharides by luminescence lifetimes and energy transfer

EP 0561653 B1 · Applicant: Lakowicz, Joseph R.

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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 January 15, 1993 and granted March 26, 1997. A European patent lasts at most 20 years from filing, so its term ended January 15, 2013.
  • 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 July 15, 2018.
  • 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.
FiledJanuary 15, 1993
PublishedSeptember 22, 1993
GrantedMarch 26, 1997
Term endedJanuary 15, 2013
Application numberEP 93400090
Classification (CPC)G01N33/66 +2 more

Timeline

Timeline From EPO dates

1994199619982000200220042006200820102012Application filedJan 15, 1993PublishedSep 22, 1993Patent grantedMarch 26, 1997Term endedJan 15, 2013

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

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