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Expired European patentEurope

A communication method, communication system, replaying device and communication device

EP 1804422 B1 · Applicant: FUJITSU LIMITED

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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 30, 2006 and granted November 16, 2011. A European patent lasts at most 20 years from filing, so its term ended March 30, 2026.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • 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 30, 2006
PublishedJuly 4, 2007
GrantedNovember 16, 2011
Term endedMarch 30, 2026
Application numberEP 06251767
Classification (CPC)H04W4/10 +2 more

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedMarch 30, 2006PublishedJuly 4, 2007Patent grantedNov 16, 2011Term endedMarch 30, 2026

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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