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Expired European patentEurope

Evaluating a structured message store for message redundancy

EP 1661341 B1 · Applicant: Attenex 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 23, 2004 and granted July 15, 2009. A European patent lasts at most 20 years from filing, so its term ended July 23, 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 23, 2004
PublishedMay 31, 2006
GrantedJuly 15, 2009
Term endedJuly 23, 2024
Application numberEP 04779150
Classification (CPC)G06F16/93 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedJuly 23, 2004PublishedMay 31, 2006Patent grantedJuly 15, 2009Term endedJuly 23, 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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.