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Expired European patentEurope

Apparatus and method for sequence estimation using multiple-input multiple-output filtering

EP 1719280 B1 · Applicant: NTT DoCoMo, Inc.

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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 February 25, 2004 and granted September 10, 2008. A European patent lasts at most 20 years from filing, so its term ended February 25, 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.
FiledFebruary 25, 2004
PublishedNovember 8, 2006
GrantedSeptember 10, 2008
Term endedFebruary 25, 2024
Application numberEP 04714310
Classification (CPC)H04L25/03 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedFeb 25, 2004PublishedNov 8, 2006Patent grantedSep 10, 2008Term endedFeb 25, 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

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