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Expired European patentEurope

Compact transponder and method for making same

EP 0820686 B1 · Applicant: EM Microelectronic-Marin SA

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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 25, 1996 and granted October 18, 2000. A European patent lasts at most 20 years from filing, so its term ended March 25, 2016.
  • 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 25, 2021.
  • 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 25, 1996
PublishedJanuary 28, 1998
GrantedOctober 18, 2000
Term endedMarch 25, 2016
Application numberEP 96905667
Classification (CPC)G01V15/00 +1 more

Timeline

Timeline From EPO dates

1997199920012003200520072009201120132015Application filedMarch 25, 1996PublishedJan 28, 1998Patent grantedOct 18, 2000Term endedMarch 25, 2016

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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