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Expired European patentEurope

CDMA wireless transmitter-receiver system and transmission power control method of a CDMA wireless transmission apparatus

EP 1187362 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 September 11, 2001 and granted May 3, 2006. A European patent lasts at most 20 years from filing, so its term ended September 11, 2021.
  • 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.
FiledSeptember 11, 2001
PublishedMarch 13, 2002
GrantedMay 3, 2006
Term endedSeptember 11, 2021
Application numberEP 01307717
Classification (CPC)H04W52/24 +2 more

Timeline

Timeline From EPO dates

2002200420062008201020122014201620182020Application filedSep 11, 2001PublishedMarch 13, 2002Patent grantedMay 3, 2006Term endedSep 11, 2021

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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