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Expired European patentEurope

Efficient and scalable parametric stereo coding for low bitrate audio coding applications

EP 1600945 B1 · Applicant: Dolby International AB

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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 10, 2002 and granted February 23, 2011. A European patent lasts at most 20 years from filing, so its term ended July 10, 2022.
  • 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 10, 2002
PublishedNovember 30, 2005
GrantedFebruary 23, 2011
Term endedJuly 10, 2022
Application numberEP 05017011
Classification (CPC)H04S1/007 +2 more

Timeline

Timeline From EPO dates

2003200520072009201120132015201720192021Application filedJuly 10, 2002PublishedNov 30, 2005Patent grantedFeb 23, 2011Term endedJuly 10, 2022

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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