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Expired European patentEurope

Adaptive subchannel and bit allocation method using partial channel information feedback in an orthogonal frequency division multiple access communication system

EP 1677478 B1 · Applicant: Samsung Electronics Co., Ltd.

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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 December 30, 2005 and granted April 11, 2018. A European patent lasts at most 20 years from filing, so its term ended December 30, 2025.
  • 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.
FiledDecember 30, 2005
PublishedJuly 5, 2006
GrantedApril 11, 2018
Term endedDecember 30, 2025
Application numberEP 05028742
Classification (CPC)H04L5/0094 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedDec 30, 2005PublishedJuly 5, 2006Patent grantedApril 11, 2018Term endedDec 30, 2025

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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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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