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Expired European patentEurope

Fast adaptive wideband power amplifier feed forward linearizer using a RLS parameter tracking alogrithm

EP 0951139 B1 · Applicant: Lucent Technologies 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 March 22, 1999 and granted May 2, 2007. A European patent lasts at most 20 years from filing, so its term ended March 22, 2019.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by September 22, 2024.
  • 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.
FiledMarch 22, 1999
PublishedOctober 20, 1999
GrantedMay 2, 2007
Term endedMarch 22, 2019
Application numberEP 99302191
Classification (CPC)H03F1/3229

Timeline

Timeline From EPO dates

2000200220042006200820102012201420162018Application filedMarch 22, 1999PublishedOct 20, 1999Patent grantedMay 2, 2007Term endedMarch 22, 2019

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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