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Expired European patentEurope

Immobilised enzyme electrodes and a method for reducing the alcohol sensitivity

EP 0343203 B1 · Applicant: CAMBRIDGE LIFE SCIENCES PLC

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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 October 19, 1988 and granted May 25, 1994. A European patent lasts at most 20 years from filing, so its term ended October 19, 2008.
  • 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 April 19, 2014.
  • 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.
FiledOctober 19, 1988
PublishedNovember 29, 1989
GrantedMay 25, 1994
Term endedOctober 19, 2008
Application numberEP 88909213
Classification (CPC)C12Q1/002

Timeline

Timeline From EPO dates

1989199119931995199719992001200320052007Application filedOct 19, 1988PublishedNov 29, 1989Patent grantedMay 25, 1994Term endedOct 19, 2008

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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