The patent EP2851490 was granted to Siemens on Mar 29, 2017. The application was originally filed on Sep 20, 2013 under application number EP13185348A. The patent is currently recorded with a legal status of "Revoked".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2402278 |
| DESCRIPTION | US3076533 |
| OPPOSITION | DE202010002845U |
| OPPOSITION | EP1881195 |
| OPPOSITION | EP2402278 |
| OPPOSITION | US5214244 |
| SEARCH | DE202010002845U |
| SEARCH | EP1881195 |
| SEARCH | EP2402278 |
| SEARCH | US5214244 |
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text |
|---|---|
| DESCRIPTION | - "Flow- Induced Vibration", BLEVINS, R.D., Malabar, (2001), page 77FF |
| OPPOSITION | - chpv, "Gwynt y Môr 1", chpvmedia, (20130628), URL: https://youtu.be/Y-HqkppMB0U, XP054978148 |
| OPPOSITION | - Christian Bartsch, "Offshore-Windpark RIFFGAT", (20130820), URL: https://youtu.be/GWMeSRouTPw, XP054978149 |
| OPPOSITION | - "fertig errichtet", riffgat, (20130717), XP055453701 |
| OPPOSITION | - "First turbine installed at one of Europe 's largest offshore wind farms", Siemens plc, GB, (20130517), pages 1 - 3, XP055453934 |
| OPPOSITION | - Jagna Jera, "Britischer Offshore-Windpark Gwynt y Morerzeugt den ersten Strom", RWE, Essen, DE, (20130830), pages 1 - 2, XP055453944 |
| OPPOSITION | - "Offshore-wind aus Deutschland für die Energiewende", innovations report, (20130808), XP055453707 |
| OPPOSITION | - "Offshore-Wind aus Deutschland für die Energiewende", Siemens, (20130807), pages 1 - 5, XP055453705 |
| OPPOSITION | - "Offshore-Windpark Riffgat fertig errichtet", EWE AG, Bremen, DE, (20130717), XP055453701 |
| OPPOSITION | - "Offshore-Windpark ,Riffgat' zur Hälfte fertig", EWE AG, Bremen, DE, (20130621), XP055453697 |
| OPPOSITION | - "Offshore-Windpark Riffgat zur Hälfte fertig", riffgat, (20130621), XP055453697 |
| OPPOSITION | - "Riffgat: Erste Windkraftanlage steht in der Nordsee", EWE AG, Bremen, DE, (20130506), XP055453693 |
| OPPOSITION | - "Veröffentlichungsbeleg: Liste der Pressemitteilungen mit Stand", riffgat, (20130728), XP055453927 |
| OPPOSITION | - Windpark Riffgat, Leer, DE, (20130507), page 1 und 9 |
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Mar 2, 2017
Decision to grant a European patent
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Jan 27, 2017
(Electronic) Receipt
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Jan 27, 2017
Filing of the translations of the claims
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Jan 27, 2017
French translation of claims
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Jan 27, 2017
German translation of the claims
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Oct 26, 2016
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Intention to grant (signatures)
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Oct 26, 2016
Text intended for grant
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Sep 30, 2016
Examination started
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Jul 5, 2016
Sep 16, 2015
(Electronic) Receipt
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Sep 16, 2015
Abstract
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Abstract
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Amended claims with annotations
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Amended description with annotations
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Sep 16, 2015
Amendments received before examination
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Sep 16, 2015
Letter accompanying subsequently filed items
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Mar 30, 2015
Feb 25, 2015
Notification of forthcoming publication
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European search opinion
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Apr 2, 2014
European search report
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Mar 27, 2014
Modified abstract
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Mar 13, 2014
Search started
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Nov 27, 2013
Communication to designated inventor
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Communication to designated inventor
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Sep 20, 2013
Abstract
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Sep 20, 2013
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Claims
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Sep 20, 2013
Description
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Sep 20, 2013
Designation of inventor
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Designation of inventor
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Sep 20, 2013
Drawings
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Sep 20, 2013
Request for grant of a European patent
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