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The patent EP1520983 was granted to NEG Micon on Apr 12, 2017. The application was filed on Jul 19, 2002 under application number EP04029161A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| ENERCON | Jan 12, 2018 | EISENFUHR SPEISER | ADMISSIBLE |
| LM WP PATENT HOLDING | Jan 12, 2018 | COPA COPENHAGEN PATENTS | ADMISSIBLE |
| NORDEX ENERGY | Jan 12, 2018 | HAUCK | ADMISSIBLE |
| NORDEX ENERGY | Jan 12, 2018 | HAUCK PATENTANWALTSPARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE4445899 |
| OPPOSITION | EP0707145 |
| OPPOSITION | EP1520983 |
| OPPOSITION | FR1070262 |
| OPPOSITION | FR2575970 |
| OPPOSITION | GB2048174 |
| OPPOSITION | GB2186833 |
| OPPOSITION | GB706800 |
| OPPOSITION | NL8104019 |
| OPPOSITION | US4050246 |
| OPPOSITION | US4057450 |
| OPPOSITION | US4389162 |
| OPPOSITION | US4789577 |
| OPPOSITION | US4902215 |
| OPPOSITION | US4976587 |
| OPPOSITION | US5324563 |
| OPPOSITION | US5375324 |
| OPPOSITION | US6056838 |
| OPPOSITION | US6081955 |
| OPPOSITION | WO0014405 |
| OPPOSITION | WO0133075 |
| OPPOSITION | WO0158680 |
| OPPOSITION | WO03008800 |
| OPPOSITION | WO9305888 |
| OPPOSITION | WO9401271 |
| SEARCH | CA1341340 |
| SEARCH | EP0718495 |
| SEARCH | GB706800 |
| SEARCH | US4389162 |
| SEARCH | US5375324 |
| SEARCH | US6056838 |
| SEARCH | WO0133075 |
| SEARCH | WO9607825 |
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
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Sep 28, 2022
Refund of fees
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Withdrawal of an appeal
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(Electronic) Receipt
Appeal
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Document concerning representation
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(Electronic) Receipt
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Notice of appeal
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OPPO
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OPPO
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OPPO
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Mar 16, 2017
Decision to grant a European patent
Search/Exam
Mar 3, 2017
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Search/Exam
Mar 3, 2017
Text intended for grant
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Mar 1, 2017
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Feb 23, 2017
Feb 10, 2017
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Feb 10, 2017
French translation of claims
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Feb 10, 2017
German translation of the claims
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Feb 10, 2017
Letter accompanying subsequently filed items
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Feb 10, 2017
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Intention to grant (signatures)
Search/Exam
Jun 16, 2016
Text intended for grant
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Jun 13, 2016
May 27, 2016
Amended claims with annotations
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May 27, 2016
Claims
Search/Exam
May 27, 2016
Letter accompanying subsequently filed items
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May 27, 2016
Jan 18, 2016
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Intention to grant (signatures)
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Jan 18, 2016
Text intended for grant
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May 15, 2015
Description
Search/Exam
May 15, 2015
Letter accompanying subsequently filed items
Search/Exam
May 15, 2015
Apr 30, 2015
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Letter accompanying subsequently filed items
Search/Exam
Mar 2, 2015
Nov 5, 2014
Annex to the communication
Search/Exam
Nov 5, 2014
Communication from the Examining Division
Search/Exam
Mar 20, 2014
Amended claims with annotations
Search/Exam
Mar 20, 2014
Claims
Search/Exam
Mar 20, 2014
Letter accompanying subsequently filed items
Search/Exam
Mar 20, 2014
Jan 30, 2014
Jan 24, 2014
Letter accompanying subsequently filed items
Search/Exam
Jan 24, 2014
Sep 17, 2013
Annex to the communication
Search/Exam
Sep 17, 2013
Communication from the Examining Division
Search/Exam
Jul 30, 2013
Jul 25, 2013
Nov 15, 2011
Nov 9, 2011
Feb 9, 2011
Feb 9, 2011
Dec 22, 2010
Authorisation
Search/Exam
Dec 22, 2010
Letter accompanying subsequently filed items
Search/Exam
Aug 4, 2009
Jul 17, 2009
Letter concerning fees and payments
Search/Exam
Jul 15, 2009
Letter concerning fees and payments
Search/Exam
Jul 7, 2009
Jun 24, 2009
Annexes in respect of a client data request
Search/Exam
Jun 24, 2009
Request for transfer of rights
Search/Exam
Jun 22, 2009
Annexes in respect of a client data request
Search/Exam
Jun 22, 2009
Letter accompanying subsequently filed items
Search/Exam
Jun 22, 2009
Request for transfer of rights
Search/Exam
May 18, 2009
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Letter accompanying subsequently filed items
Search/Exam
May 12, 2009
Apr 23, 2008
Claims
Search/Exam
Apr 23, 2008
Apr 21, 2008
Claims
Search/Exam
Apr 21, 2008
Letter accompanying subsequently filed items
Search/Exam
Apr 21, 2008
Dec 27, 2007
Annex to the communication
Search/Exam
Dec 27, 2007
Communication from the Examining Division
Search/Exam
Aug 30, 2007
Submission concerning representation
Search/Exam
May 25, 2007
Claims
Search/Exam
May 25, 2007
May 22, 2007
Claims
Search/Exam
May 22, 2007
Letter accompanying subsequently filed items
Search/Exam
May 22, 2007
Apr 3, 2007
Mar 29, 2007
Mar 27, 2007
Nov 28, 2006
Annex to the communication
Search/Exam
Nov 28, 2006
Communication from the Examining Division
Search/Exam
Aug 24, 2006
Nov 3, 2005
Refund of fees
Search/Exam
Nov 3, 2005
Refund of fees
Search/Exam
Jun 2, 2005
Letter concerning fees and payments
Search/Exam
May 31, 2005
Letter concerning fees and payments
Search/Exam
Apr 11, 2005
Feb 23, 2005
Notification of forthcoming publication
Search/Exam
Feb 8, 2005
Feb 8, 2005
European search report
Search/Exam
Feb 4, 2005
Abstract
Search/Exam
Feb 4, 2005
Annex
Search/Exam
Feb 4, 2005
Claims
Search/Exam
Feb 4, 2005
Description
Search/Exam
Feb 4, 2005
Drawings
Search/Exam
Feb 4, 2005
Jan 25, 2005
Dec 9, 2004
Annex
Search/Exam
Dec 9, 2004
Annex
Search/Exam
Dec 9, 2004
Annex
Search/Exam
Dec 9, 2004
Annex
Search/Exam
Dec 9, 2004
Claims
Search/Exam
Dec 9, 2004
Description
Search/Exam
Dec 9, 2004
Designation of inventor
Search/Exam
Dec 9, 2004
Drawings
Search/Exam
Dec 9, 2004
Letter concerning search matters
Search/Exam
Dec 9, 2004
Matter concerning the application
Search/Exam
Dec 9, 2004
Jun 9, 2004
Jun 9, 2004