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The patent EP2479423 was granted to Siemens on Apr 4, 2018. The application was filed on Jan 24, 2011 under application number EP11151803A. 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 | Jan 3, 2019 | PATERSON | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1845258 |
| DESCRIPTION | WO2004097215 |
| DESCRIPTION | WO2007118581 |
| DESCRIPTION | WO2010066501 |
| OPPOSITION | CN1641213 |
| OPPOSITION | EP0615903 |
| OPPOSITION | EP1112928 |
| OPPOSITION | US2008292461 |
| OPPOSITION | US2009263252 |
| OPPOSITION | WO2008113349 |
| OPPOSITION | WO2009146810 |
| SEARCH | DE102008026474 |
| SEARCH | EP1995455 |
| SEARCH | US2006018759 |
| SEARCH | US2009274559 |
| SEARCH | WO2011042527 |
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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(Electronic) Receipt
Appeal
Jun 10, 2022
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May 27, 2022
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May 12, 2022
(Electronic) Receipt
Appeal
May 12, 2022
Authorisation
Appeal
May 12, 2022
Authorisation
Appeal
May 12, 2022
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Mar 24, 2022
Mar 21, 2022
(Electronic) Receipt
Appeal
Mar 21, 2022
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Mar 14, 2022
(Electronic) Receipt
Appeal
Mar 14, 2022
Mar 14, 2022
Feb 17, 2022
(Electronic) Receipt
Appeal
Feb 17, 2022
Advice of delivery
Appeal
Feb 17, 2022
Feb 2, 2022
Feb 2, 2022
Jan 31, 2022
Jan 31, 2022
Jan 27, 2022
(Electronic) Receipt
Appeal
Jan 27, 2022
Jan 27, 2022
Dec 21, 2021
(Electronic) Receipt
Appeal
Dec 21, 2021
Advice of delivery
Appeal
Dec 21, 2021
Dec 9, 2021
Dec 9, 2021
Dec 6, 2021
Nov 15, 2021
Sep 21, 2021
Aug 4, 2021
Jul 30, 2021
(Electronic) Receipt
Appeal
Jul 30, 2021
Jul 30, 2021
Reply to appeal
Appeal
Jun 14, 2021
Jun 9, 2021
(Electronic) Receipt
Appeal
Jun 9, 2021
Jun 9, 2021
Reply to appeal
Appeal
Mar 26, 2021
Mar 26, 2021
Mar 23, 2021
(Electronic) Receipt
Appeal
Mar 23, 2021
Mar 23, 2021
Mar 11, 2021
(Electronic) Receipt
Appeal
Mar 11, 2021
Mar 11, 2021
Mar 11, 2021
Mar 11, 2021
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Mar 11, 2021
Claims
Appeal
Mar 11, 2021
Claims
Appeal
Mar 11, 2021
Claims
Appeal
Mar 11, 2021
Claims
Appeal
Mar 11, 2021
Claims
Appeal
Mar 11, 2021
Mar 11, 2021
Dec 22, 2020
Dec 22, 2020
Dec 17, 2020
(Electronic) Receipt
Appeal
Dec 17, 2020
Dec 17, 2020
Notice of appeal
Appeal
Dec 9, 2020
Dec 9, 2020
Dec 3, 2020
(Electronic) Receipt
Appeal
Dec 3, 2020
Dec 3, 2020
Notice of appeal
Appeal
Nov 25, 2020
Nov 25, 2020
Nov 25, 2020
Nov 19, 2020
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Means of redress
OPPO
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Authorisation
OPPO
Aug 13, 2020
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OPPO
Feb 24, 2020
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Oct 3, 2019
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Sep 26, 2019
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Apr 16, 2018
Mar 8, 2018
Decision to grant a European patent
Search/Exam
Feb 20, 2018
(Electronic) Receipt
Search/Exam
Feb 20, 2018
Filing of the translations of the claims
Search/Exam
Feb 20, 2018
French translation of claims
Search/Exam
Feb 20, 2018
German translation of the claims
Search/Exam
Dec 1, 2017
Dec 1, 2017
Dec 1, 2017
Intention to grant (signatures)
Search/Exam
Dec 1, 2017
Text intended for grant (clean copy)
Search/Exam
Dec 1, 2017
Jul 31, 2017
Jul 24, 2017
May 11, 2017
(Electronic) Receipt
Search/Exam
May 11, 2017
Amended claims with annotations
Search/Exam
May 11, 2017
Amended description with annotations
Search/Exam
May 11, 2017
Claims
Search/Exam
May 11, 2017
Description
Search/Exam
May 11, 2017
Letter accompanying subsequently filed items
Search/Exam
May 11, 2017
Jan 11, 2017
Annex to the communication
Search/Exam
Jan 11, 2017
Communication from the Examining Division
Search/Exam
Aug 31, 2016
(Electronic) Receipt
Search/Exam
Aug 31, 2016
Amended claims with annotations
Search/Exam
Aug 31, 2016
Claims
Search/Exam
Aug 31, 2016
Letter accompanying subsequently filed items
Search/Exam
Aug 31, 2016
Apr 25, 2016
Annex to the communication
Search/Exam
Apr 25, 2016
Communication from the Examining Division
Search/Exam
Feb 11, 2013
Feb 5, 2013
Feb 5, 2013
Feb 5, 2013
Feb 5, 2013
Aug 6, 2012
Aug 6, 2012
Amended claims with annotations
Search/Exam
Aug 6, 2012
Aug 6, 2012
Amended description with annotations
Search/Exam
Aug 6, 2012
Amendments received before examination
Search/Exam
Jul 30, 2012
Jun 27, 2012
Notification of forthcoming publication
Search/Exam
Dec 6, 2011
(Electronic) Receipt
Search/Exam
Jun 21, 2011
Jun 21, 2011
European search opinion
Search/Exam
Jun 21, 2011
European search report
Search/Exam
Jan 24, 2011
Abstract
Search/Exam
Jan 24, 2011
Jan 24, 2011
Claims
Search/Exam
Jan 24, 2011
Description
Search/Exam
Jan 24, 2011
Designation of inventor
Search/Exam
Jan 24, 2011
Designation of inventor
Search/Exam
Jan 24, 2011
Designation of inventor
Search/Exam
Jan 24, 2011
Designation of inventor
Search/Exam
Jan 24, 2011
Drawings
Search/Exam
Jan 24, 2011
Request for grant of a European patent
Search/Exam