IP Verse

Wind Turbine Blades - EP2791500

The patent EP2791500 was granted to Vestas Wind Systems on Mar 6, 2019. The application was originally filed on Dec 11, 2012 under application number EP12805931A. The patent is currently recorded with a legal status of "Revoked".

EP2791500

VESTAS WIND SYSTEMS
Application Number
EP12805931A
Filing Date
Dec 11, 2012
Status
Revoked
Dec 22, 2023
Publication Date
Mar 6, 2019
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (4)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentativeOpposition Status

Get instant alerts for new oppositions and patent status changes

ENERCONDec 6, 2019EISENFUHR SPEISERADMISSIBLE
NORDEX ENERGYDec 6, 2019HAUCKADMISSIBLE
NORDEX ENERGYDec 6, 2019HAUCK PATENTANWALTSPARTNERSCHAFT MBBADMISSIBLE
SIEMENS GAMESA RENEWABLE ENERGYDec 5, 2019SGRE ASSOCIATIONADMISSIBLE

Patent Citations (36) New

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

Citation PhasePublication Number
DESCRIPTIONEP1520983
DESCRIPTIONUS2009269392
DESCRIPTIONUS2012014804
DESCRIPTIONWO2006082479
DESCRIPTIONWO2011088372
EXAMINATIONUS2008277053
EXAMINATIONUS2009169392
INTERNATIONAL-SEARCH-REPORTEP1520983
INTERNATIONAL-SEARCH-REPORTWO2009059604
INTERNATIONAL-SEARCH-REPORTWO2011088372
INTERNATIONAL-SEARCH-REPORTWO2011135306
OPPOSITIONDE102009024324
OPPOSITIONDE102012104238
OPPOSITIONEP1520983
OPPOSITIONEP1754589
OPPOSITIONEP1990178
OPPOSITIONEP2341239
OPPOSITIONEP2444660
OPPOSITIONEP2497945
OPPOSITIONEP2567807
OPPOSITIONGB2497578
OPPOSITIONUS2008277053
OPPOSITIONUS2009169392
OPPOSITIONUS2009220747
OPPOSITIONUS2010143142
OPPOSITIONUS2011135485
OPPOSITIONUS2012027609
OPPOSITIONUS2012093656
OPPOSITIONUS7841835
OPPOSITIONWO03008800
OPPOSITIONWO2006082479
OPPOSITIONWO2009059604
OPPOSITIONWO2011004540
OPPOSITIONWO2011088372
OPPOSITIONWO2011135306
OPPOSITIONWO2013087078

Non-Patent Literature (NPL) Citations (13) New

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

Citation PhaseReference Text
OPPOSITION- "Advances in Wind Turbine Blade Composites", 2010 Wind Turbine Blade Workshop, (20100721), XP055659621
OPPOSITION- C. Van Hoornweder, Eric Dallies, "Reinforcing Wind Energy", WPA, (20090101), pages 1 - 15, XP055909671
OPPOSITION- David Hartman, "2006 WIND TURBINE BLADE WORKSHOP. Materials and Manufacturing Research", Advances in Material Technology, (20060419), pages 1 - 24, XP055659616
OPPOSITION- DAVID HARTMAN, "Advances in Material Technology", 2006 Wind Turbine Blade Workshop, (20060419), XP055659616
OPPOSITION- Eva Bittmann, "Viel Wind um GFK", Kunststoffe, (2002), vol. 93, no. 11, pages 119 - 124, XP055134712
OPPOSITION- Jeffrey D. Martin et al.,, "Pultrusion", Jeffrey D. Martin et al.,, Cyril A Dostar; ET AL, ENGINEERED MATERIALS HANDBOOK Volume 1 Composites, ASM International, (1987), pages 3pp, 543 - 543, XP055345761
OPPOSITION- Mala Nagarajan, "Advances in Wind Turbine Blade Composites", Owens Corning Innovations for Living, (20100721), pages 1 - 18, XP055659621
OPPOSITION- Paul Veers, "Wind Energy Fundamentals and Wind Turbine Blades", Design & Manufacturing 2009. Sandia National Laboratories, (20090923), pages 1 - 52, XP055659607
OPPOSITION- Stephen Nolet, "Composite Wind Blade Engineering and Manufacturing", INDEPENDENT ACTIVITIES PERIOD MINI-COURSE. Massachusetts Institute of Technology, (20110120), pages 1 - 72, XP055659589
OPPOSITION- STEVEN C. NOLET, "Composite Wind Blade Engineering and Manufacturing", Independent Activities Period Mini-Course, (20110120), XP055659589
OPPOSITION- Veers, P., "Wind Energy Fundamentals and Wind Turbine Blades", Design & Manufacturing 2009, (20090923), XP055659607
OPPOSITION- David Evans, "Profile design, specification, properties and related matters", David Evans, Trevor F Starr, Pultrusion for Engineers, CRC Press, (2000), pages 66-97, 174 - 197, XP055346108
OPPOSITION- Douglas Cairns, "Evaluation of hand lay-up and resin transfer molding in composite wind turbine blade structures", 20th 2001 ASME Wind Energy Symposium,, (2001), XP055346086

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

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.

  • Date

    Description

  • Get instant alerts for new documents