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Expired European patentEurope

Digital broadcasting system and digital broadcast transmission and reception method

EP 1751981 B1 · Applicant: Panasonic Intellectual Property Management 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 May 27, 2005 and granted August 31, 2016. A European patent lasts at most 20 years from filing, so its term ended May 27, 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.
FiledMay 27, 2005
PublishedFebruary 14, 2007
GrantedAugust 31, 2016
Term endedMay 27, 2025
Application numberEP 05745830
Classification (CPC)H04N21/631 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedMay 27, 2005PublishedFeb 14, 2007Patent grantedAug 31, 2016Term endedMay 27, 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

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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