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The patent EP3218597 was granted to Polytech on Mar 27, 2019. The application was filed on Nov 10, 2015 under application number EP15797456A. 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 |
|---|---|---|---|
| LM WP PATENT HOLDING LM WIND POWER | Jan 2, 2020 | COPA COPENHAGEN PATENTS | ADMISSIBLE |
| SIEMENS GAMESA RENEWABLE ENERGY | Dec 20, 2019 | SGRE ASSOCIATION | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | ES2333929 |
| INTERNATIONAL-SEARCH-REPORT | US2012007270 |
| INTERNATIONAL-SEARCH-REPORT | US2013045105 |
| INTERNATIONAL-SEARCH-REPORT | US4202957 |
| OPPOSITION | DK172126B |
| OPPOSITION | EP2551314 |
| OPPOSITION | US2004118978 |
| OPPOSITION | US2005169763 |
| OPPOSITION | US2010135817 |
| OPPOSITION | US2010266799 |
| OPPOSITION | US2011142678 |
| OPPOSITION | US2012007270 |
| OPPOSITION | US2012156049 |
| OPPOSITION | US2012163981 |
| OPPOSITION | US2013045105 |
| OPPOSITION | US2014186188 |
| OPPOSITION | US4202957 |
| OPPOSITION | WO0206370 |
| OPPOSITION | WO2004076852 |
| OPPOSITION | WO2004092241 |
| OPPOSITION | WO2008089163 |
| OPPOSITION | WO2013012699 |
| OPPOSITION | WO2013137964 |
| OTHER | EP2383305 |
| OTHER | ES2333929 |
| OTHER | US2012007270 |
| OTHER | US2013045105 |
| OTHER | US4202957 |
| OTHER | WO2007048141 |
| OTHER | WO2009023424 |
| OTHER | WO2013019524 |
| OTHER | WO2013172823 |
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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Aug 28, 2024
Refund of fees
Appeal
Aug 23, 2024
Aug 23, 2024
Aug 19, 2024
Aug 19, 2024
Aug 19, 2024
Aug 16, 2024
(Electronic) Receipt
Appeal
Aug 16, 2024
Aug 16, 2024
Aug 16, 2024
Withdrawal of an appeal
Appeal
Jul 15, 2024
Jul 11, 2024
(Electronic) Receipt
Appeal
Jul 11, 2024
(Electronic) Receipt
Appeal
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
May 21, 2024
May 21, 2024
Nov 15, 2023
Nov 10, 2023
(Electronic) Receipt
Appeal
Nov 10, 2023
Nov 10, 2023
Oct 6, 2023
Oct 2, 2023
(Electronic) Receipt
Appeal
Oct 2, 2023
Oct 2, 2023
Sep 20, 2023
Sep 20, 2023
Sep 15, 2023
(Electronic) Receipt
Appeal
Sep 15, 2023
Sep 15, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 8, 2023
(Electronic) Receipt
Appeal
Aug 8, 2023
Aug 8, 2023
Aug 1, 2023
Aug 1, 2023
Aug 1, 2023
Jul 31, 2023
Jul 4, 2023
(Electronic) Receipt
Appeal
Jul 4, 2023
Jul 4, 2023
Jul 4, 2023
Jun 7, 2023
(Electronic) Receipt
Appeal
Jun 7, 2023
Advice of delivery
Appeal
Jun 7, 2023
May 31, 2023
May 31, 2023
May 31, 2023
May 31, 2023
May 25, 2023
May 24, 2023
Mar 14, 2023
Mar 8, 2023
(Electronic) Receipt
Appeal
Mar 8, 2023
Mar 8, 2023
Jan 9, 2023
Dec 23, 2022
(Electronic) Receipt
Appeal
Dec 23, 2022
Dec 23, 2022
Jul 27, 2022
Jul 27, 2022
Jul 22, 2022
Jun 15, 2022
Jun 10, 2022
(Electronic) Receipt
Appeal
Jun 10, 2022
Jun 10, 2022
Jun 10, 2022
Jun 10, 2022
Jun 10, 2022
Jun 10, 2022
Jun 10, 2022
Jun 10, 2022
Jun 10, 2022
Jun 10, 2022
Reply to appeal
Appeal
Feb 2, 2022
Feb 1, 2022
(Electronic) Receipt
Appeal
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Non-scannable object
Appeal
Feb 1, 2022
Non-scannable object
Appeal
Feb 1, 2022
Non-scannable object
Appeal
Feb 1, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 12, 2022
(Electronic) Receipt
Appeal
Jan 12, 2022
Jan 12, 2022
Jan 7, 2022
Dec 20, 2021
(Electronic) Receipt
Appeal
Dec 20, 2021
Dec 20, 2021
Nov 29, 2021
Nov 29, 2021
Nov 19, 2021
(Electronic) Receipt
Appeal
Nov 19, 2021
Nov 19, 2021
Notice of appeal
Appeal
Sep 24, 2021
Sep 24, 2021
Sep 24, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Means of redress
OPPO
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Jun 7, 2021
Jun 2, 2021
May 31, 2021
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May 12, 2021
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Apr 12, 2021
Mar 31, 2021
Mar 31, 2021
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Mar 31, 2021
Mar 31, 2021
Mar 31, 2021
Mar 31, 2021
Mar 31, 2021
Mar 31, 2021
Mar 25, 2021
Mar 25, 2021
Mar 22, 2021
Mar 17, 2021
Feb 22, 2021
Feb 22, 2021
Feb 1, 2021
Claims
Appeal
Feb 1, 2021
Claims
Appeal
Feb 1, 2021
Claims
Appeal
Feb 1, 2021
Claims
Appeal
Feb 1, 2021
Claims
Appeal
Feb 1, 2021
Claims
Appeal
Feb 1, 2021
Claims
Appeal
Feb 1, 2021
Claims
Appeal
Feb 1, 2021
Claims
Appeal
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Oct 6, 2020
Oct 6, 2020
Oct 6, 2020
Oct 6, 2020
Oct 2, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Jul 24, 2020
Jul 24, 2020
Jul 20, 2020
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Jul 20, 2020
Jul 20, 2020
Apr 17, 2020
Apr 17, 2020
Apr 17, 2020
Apr 16, 2020
Apr 10, 2020
Apr 10, 2020
Apr 10, 2020
Apr 9, 2020
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Mar 24, 2020
Mar 24, 2020
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Mar 13, 2020
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Mar 13, 2020
Mar 13, 2020
Mar 13, 2020
Mar 13, 2020
Mar 13, 2020
Mar 13, 2020
Mar 13, 2020
Jan 15, 2020
Jan 15, 2020
Jan 15, 2020
Refund of fees
OPPO
Jan 15, 2020
Jan 13, 2020
Jan 2, 2020
Jan 2, 2020
Jan 2, 2020
Jan 2, 2020
Jan 2, 2020
Jan 2, 2020
Jan 2, 2020
Jan 2, 2020
Jan 2, 2020
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Jan 2, 2020
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Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
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Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Apr 8, 2019
Feb 28, 2019
Decision to grant a European patent
Search/Exam
Feb 15, 2019
Feb 8, 2019
Feb 8, 2019
Feb 7, 2019
(Electronic) Receipt
Search/Exam
Feb 7, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 7, 2019
Feb 4, 2019
(Electronic) Receipt
Search/Exam
Feb 4, 2019
Jan 28, 2019
Jan 23, 2019
Jun 7, 2018
(Electronic) Receipt
Search/Exam
Jun 7, 2018
Apr 26, 2018
(Electronic) Receipt
Search/Exam
Apr 26, 2018
Filing of the translations of the claims
Search/Exam
Apr 26, 2018
French translation of claims
Search/Exam
Apr 26, 2018
German translation of the claims
Search/Exam
Apr 23, 2018
Apr 23, 2018
Apr 18, 2018
Apr 9, 2018
(Electronic) Receipt
Search/Exam
Apr 9, 2018
Citation filed by a third party
Search/Exam
Apr 9, 2018
Citation filed by a third party
Search/Exam
Apr 9, 2018
Citation filed by a third party
Search/Exam
Apr 9, 2018
Citation filed by a third party
Search/Exam
Apr 9, 2018
Citation filed by a third party
Search/Exam
Apr 9, 2018
Citation filed by a third party
Search/Exam
Apr 9, 2018
Citation filed by a third party
Search/Exam
Apr 9, 2018
Citation filed by a third party
Search/Exam
Apr 9, 2018
Citation filed by a third party
Search/Exam
Apr 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 9, 2018
Non-patent literature filed by a third party
Search/Exam
Apr 9, 2018
Non-patent literature filed by a third party
Search/Exam
Apr 9, 2018
Non-patent literature filed by a third party
Search/Exam
Apr 9, 2018
Non-patent literature filed by a third party
Search/Exam
Apr 9, 2018
Non-patent literature filed by a third party
Search/Exam
Apr 9, 2018
Non-patent literature filed by a third party
Search/Exam
Apr 9, 2018
Non-patent literature filed by a third party
Search/Exam
Apr 9, 2018
Observations by third parties
Search/Exam
Mar 14, 2018
Mar 14, 2018
Mar 14, 2018
Intention to grant (signatures)
Search/Exam
Mar 14, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 14, 2018
Feb 23, 2018
Examination started
Search/Exam
Aug 23, 2017
Aug 17, 2017
(Electronic) Receipt
Search/Exam
Aug 17, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 17, 2017
Matter concerning the application
Search/Exam
Jul 4, 2017
Jun 20, 2017
Communication to designated inventor
Search/Exam
Jun 20, 2017
Communication to designated inventor
Search/Exam
May 30, 2017
(Electronic) Receipt
Search/Exam
May 30, 2017
May 30, 2017
May 30, 2017
May 30, 2017
Annex
Search/Exam
May 30, 2017
Request for entry into the European phase
Search/Exam
May 15, 2017
May 15, 2017
Mar 24, 2017
Information on entry into European phase
Search/Exam
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Nov 30, 2016
Nov 30, 2016
Nov 30, 2016
Nov 30, 2016
Nov 30, 2016
Nov 30, 2016
Nov 30, 2016
Oct 5, 2016
Notification of election of EPO
Search/Exam
Sep 30, 2016
Written opinion
PCT2
Sep 30, 2016
Sep 30, 2016
Sep 27, 2016
Sep 19, 2016
Sep 8, 2016
Sep 8, 2016
PCT demand form
PCT2
Sep 8, 2016
Sep 8, 2016
Sep 8, 2016
Sep 8, 2016
Jun 7, 2016
Jun 7, 2016
May 19, 2016
Copy of the international search report
Search/Exam
May 19, 2016
Published international application - A1
Search/Exam
May 4, 2016
ISR: cited documents
PCTISA
May 2, 2016
May 2, 2016
May 2, 2016
Mar 8, 2016
Mar 3, 2016
Feb 29, 2016
Feb 17, 2016
Jan 28, 2016
Jan 28, 2016
Jan 28, 2016
Dec 3, 2015
Nov 20, 2015
Abstract
PCTISA
Nov 20, 2015
Claims
PCTISA
Nov 20, 2015
Description
PCTISA
Nov 20, 2015
Drawings
PCTISA
Nov 20, 2015