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The patent EP2752577 was granted to Neptco on Apr 1, 2020. The application was filed on Jan 14, 2011 under application number EP14162053A. 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 |
|---|---|---|---|
| VESTAS WIND SYSTEMS | Dec 22, 2020 | KENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP2524134 |
| OPPOSITION | US2007193491 |
| OPPOSITION | US5375324 |
| OPPOSITION | US7625185 |
| OPPOSITION | WO2006082479 |
| OPPOSITION | WO2009059604 |
| OPPOSITION | WO2009077582 |
| OPPOSITION | WO2011088372 |
| SEARCH | US2007183888 |
| SEARCH | WO2009059604 |
| SEARCH | WO2009077582 |
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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Payment submission rejected
Search/Exam
Jan 13, 2021
Dec 23, 2020
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Nov 3, 2020
Oct 29, 2020
Annexes in respect of a client data request
Search/Exam
Oct 29, 2020
Annexes in respect of a client data request
Search/Exam
Oct 29, 2020
General authorisation
Search/Exam
Oct 29, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 7, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 7, 2020
Apr 15, 2020
Apr 1, 2020
Mar 5, 2020
Decision to grant a European patent
Search/Exam
Dec 18, 2019
(Electronic) Receipt
Search/Exam
Dec 18, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 18, 2019
Dec 18, 2019
Dec 18, 2019
Dec 18, 2019
Aug 13, 2019
Annex to the communication
Search/Exam
Aug 13, 2019
Communication from the Examining Division
Search/Exam
Jul 30, 2019
(Electronic) Receipt
Search/Exam
Jul 30, 2019
Filing of the translations of the claims
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Jul 30, 2019
French translation of claims
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Jul 30, 2019
German translation of the claims
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May 13, 2019
May 13, 2019
May 8, 2019
Letter accompanying subsequently filed items
Search/Exam
May 8, 2019
Observations by third parties
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Mar 27, 2019
Mar 27, 2019
Mar 27, 2019
Mar 27, 2019
Intention to grant (signatures)
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Mar 27, 2019
Text intended for grant (clean copy)
Search/Exam
Mar 27, 2019
Feb 8, 2018
Feb 1, 2018
Feb 1, 2018
Jan 31, 2018
May 31, 2017
(Electronic) Receipt
Search/Exam
May 31, 2017
Amended claims with annotations
Search/Exam
May 31, 2017
Amended claims with annotations
Search/Exam
May 31, 2017
Amended description with annotations
Search/Exam
May 31, 2017
Claims
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May 31, 2017
Claims
Search/Exam
May 31, 2017
Description
Search/Exam
May 31, 2017
Letter accompanying subsequently filed items
Search/Exam
May 31, 2017
Jan 24, 2017
Annex to the communication
Search/Exam
Jan 24, 2017
Communication from the Examining Division
Search/Exam
Jan 18, 2017
Examination started
Search/Exam
Sep 1, 2016
Submission concerning representation
Search/Exam
Feb 18, 2016
Feb 18, 2016
Jan 18, 2016
(Electronic) Receipt
Search/Exam
Jan 18, 2016
Letter accompanying subsequently filed items
Search/Exam
Jan 15, 2016
(Electronic) Receipt
Search/Exam
Jan 15, 2016
Annexes in respect of a client data request
Search/Exam
Jan 15, 2016
Letter accompanying subsequently filed items
Search/Exam
Jan 15, 2016
Dec 9, 2015
Dec 7, 2015
Nov 30, 2015
Nov 27, 2015
Jul 14, 2015
(Electronic) Receipt
Search/Exam
Jul 14, 2015
Letter accompanying subsequently filed items
Search/Exam
Jul 14, 2015
Reply to Written Opinion prepared by the EPO
Search/Exam
Jun 29, 2015
(Electronic) Receipt
Search/Exam
Jun 29, 2015
Letter accompanying subsequently filed items
Search/Exam
Jun 29, 2015
Jun 23, 2015
Jun 23, 2015
Jun 12, 2015
(Electronic) Receipt
Search/Exam
Jun 12, 2015
Letter accompanying subsequently filed items
Search/Exam
Jun 12, 2015
Jun 3, 2015
Communication to designated inventor
Search/Exam
May 15, 2015
(Electronic) Receipt
Search/Exam
May 15, 2015
Letter accompanying subsequently filed items
Search/Exam
May 15, 2015
Letter concerning the inventor
Search/Exam
Jan 19, 2015
Jan 14, 2015
Refund of fees
Search/Exam
Dec 12, 2014
Dec 12, 2014
European search opinion
Search/Exam
Dec 12, 2014
European search report
Search/Exam
Aug 26, 2014
Jul 31, 2014
Letter which had not been notified
Search/Exam
Jul 9, 2014
Jun 12, 2014
Notification of forthcoming publication
Search/Exam
Jun 5, 2014
Modified abstract
Search/Exam
May 20, 2014
Communication to designated inventor
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May 20, 2014
Communication to designated inventor
Search/Exam
May 20, 2014
Communication to designated inventor
Search/Exam
Mar 27, 2014
Abstract
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Mar 27, 2014
Mar 27, 2014
Annex
Search/Exam
Mar 27, 2014
Claims
Search/Exam
Mar 27, 2014
Description
Search/Exam
Mar 27, 2014
Designation of inventor
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Mar 27, 2014
Designation of inventor
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Mar 27, 2014
Designation of inventor
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Mar 27, 2014
Drawings
Search/Exam
Mar 27, 2014
Matter concerning the application
Search/Exam
Mar 27, 2014
Request for grant of a European patent
Search/Exam
Aug 9, 2011