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Expired European patentEurope

A method and system for optical wavelength conversion and regeneration

EP 1276004 B1 · Applicant: Avago Technologies Fiber IP (Singapore) Pte. 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 July 12, 2001 and granted September 5, 2007. A European patent lasts at most 20 years from filing, so its term ended July 12, 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.
FiledJuly 12, 2001
PublishedJanuary 15, 2003
GrantedSeptember 5, 2007
Term endedJuly 12, 2021
Application numberEP 01116986
Classification (CPC)G02F2/004 +2 more

Timeline

Timeline From EPO dates

2002200420062008201020122014201620182020Application filedJuly 12, 2001PublishedJan 15, 2003Patent grantedSep 5, 2007Term endedJuly 12, 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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