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Expired European patentEurope

Framework to enable integration of anti-spam technologies

EP 1609045 B1 · Applicant: MICROSOFT CORPORATION

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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 July 26, 2004 and granted November 9, 2011. A European patent lasts at most 20 years from filing, so its term ended July 26, 2024.
  • 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.
FiledJuly 26, 2004
PublishedDecember 28, 2005
GrantedNovember 9, 2011
Term endedJuly 26, 2024
Application numberEP 04779292
Classification (CPC)G06Q10/00 +1 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedJuly 26, 2004PublishedDec 28, 2005Patent grantedNov 9, 2011Term endedJuly 26, 2024

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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