IP Verse

Twisted Blade Root - EP2834517

The patent EP2834517 was granted to Cortenergy on May 6, 2020. The application was originally filed on Mar 12, 2013 under application number EP13728545A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP2834517

CORTENERGY
Application Number
EP13728545A
Filing Date
Mar 12, 2013
Status
Granted And Under Opposition
Apr 3, 2020
Grant Date
May 6, 2020
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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CompanyOpposition DateRepresentativeOpposition Status

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SIEMENS GAMESA RENEWABLE ENERGYFeb 2, 2021SGRE ASSOCIATIONADMISSIBLE
SIEMENS GAMESA RENEWABLE ENERGY DEUTSCHLANDFeb 2, 2021SGRE ASSOCIATIONADMISSIBLE

Patent Citations (19) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
DESCRIPTIONWO2003EP05605-
DESCRIPTIONWO2004EP03294-
DESCRIPTIONEP1845258
DESCRIPTIONEP2194267
DESCRIPTIONEP2343450
DESCRIPTIONUS2009263252
DESCRIPTIONUS2010141269
DESCRIPTIONUS2011229332
DESCRIPTIONUS2012027588
DESCRIPTIONUS2012134836
DESCRIPTIONUS2012141281
DESCRIPTIONUS6910867
DESCRIPTIONUS8052394
INTERNATIONAL-SEARCH-REPORTDE102009025857
INTERNATIONAL-SEARCH-REPORTEP1152148
INTERNATIONAL-SEARCH-REPORTGB2265672
INTERNATIONAL-SEARCH-REPORTUS4976587
OPPOSITIONUS6910867
OPPOSITIONWO2012007058

Non-Patent Literature (NPL) Citations (2) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- PEERINGA et al., "Upwind 20 MW Wind Turbine Pre-Design. Blade design and control", ECN-E--11-017, (20111200), pages 1 - 53, URL: https://publicaties.ecn.nl/PdfFetch.aspx?nr=ECN-E--11-017, XP055775740-
OPPOSITION- MEJIA et al., "Simulation of wind energy output at Guajira, Colombia", Renewable Energy, (20060300), vol. 31, no. Issue 3, doi:10.1016/j.renene.2005.03.014, pages 383 - 399, XP025105560

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Dossier Documents

The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.

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