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Expired European patentEurope

Semiconductor switching module

EP 1825511 B1 · Applicant: SIEMENS AKTIENGESELLSCHAFT

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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.

Why it's free to use

  • Filed December 17, 2004 and granted November 23, 2011. A European patent lasts at most 20 years from filing, so its term ended December 17, 2024.
  • 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.
FiledDecember 17, 2004
PublishedAugust 29, 2007
GrantedNovember 23, 2011
Term endedDecember 17, 2024
Application numberEP 04802956
Classification (CPC)H10W72/00 +1 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedDec 17, 2004PublishedAug 29, 2007Patent grantedNov 23, 2011Term endedDec 17, 2024

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