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The patent EP1993184 was granted to Siemens on Apr 24, 2024. The application was originally filed on May 14, 2007 under application number EP07009644A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 | Dec 14, 2018 | EISENFUHR SPEISER | ADMISSIBLE |
| VESTAS WIND SYSTEMS | Dec 5, 2018 | INSPICOS PS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2004099604 |
| OPPOSITION | EP1752659 |
| OPPOSITION | EP1909371 |
| OPPOSITION | US2006066113 |
| OPPOSITION | WO0420PU102 |
| OPPOSITION | WO2004099604 |
| SEARCH | EP1752659 |
| SEARCH | WO2004099604 |
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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Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Feb 21, 2024
Feb 21, 2024
Feb 21, 2024
Feb 21, 2024
Description
OPPO
Feb 21, 2024
Feb 21, 2024
Feb 21, 2024
Feb 21, 2024
Feb 21, 2024
Feb 21, 2024
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 7, 2023
Jun 13, 2023
Refund of fees
Search/Exam
Jun 13, 2023
Refund of fees
Search/Exam
Jun 9, 2023
Jun 9, 2023
Jun 9, 2023
Mar 3, 2023
(Electronic) Receipt
Appeal
Mar 3, 2023
(Electronic) Receipt
Appeal
Mar 3, 2023
Advice of delivery
Appeal
Mar 3, 2023
Mar 3, 2023
Mar 3, 2023
Mar 3, 2023
Mar 3, 2023
Mar 3, 2023
Mar 3, 2023
Mar 3, 2023
Mar 3, 2023
Mar 3, 2023
Mar 3, 2023
Withdrawal of an appeal
Appeal
Mar 3, 2023
Withdrawal of an appeal
Appeal
Mar 2, 2023
Mar 2, 2023
Feb 22, 2023
(Electronic) Receipt
Appeal
Feb 22, 2023
Authorisation
Appeal
Feb 22, 2023
Feb 21, 2023
Feb 21, 2023
Feb 21, 2023
Feb 10, 2023
Feb 10, 2023
Feb 10, 2023
Feb 10, 2023
Feb 8, 2023
Feb 8, 2023
Feb 6, 2023
(Electronic) Receipt
Appeal
Feb 6, 2023
(Electronic) Receipt
Appeal
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 2, 2023
(Electronic) Receipt
Appeal
Feb 2, 2023
Feb 2, 2023
Jan 30, 2023
Jan 30, 2023
Jan 27, 2023
Jan 27, 2023
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Jan 24, 2023
(Electronic) Receipt
Appeal
Jan 24, 2023
Jan 24, 2023
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Jan 23, 2023
Jan 18, 2023
(Electronic) Receipt
Appeal
Jan 18, 2023
Jan 18, 2023
Jan 18, 2023
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Jan 17, 2023
Jan 17, 2023
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(Electronic) Receipt
Appeal
Jan 16, 2023
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Jan 16, 2023
Jan 5, 2023
Jan 5, 2023
Jan 3, 2023
(Electronic) Receipt
Appeal
Jan 3, 2023
Jan 3, 2023
Jan 2, 2023
Jan 2, 2023
Dec 23, 2022
(Electronic) Receipt
Appeal
Dec 23, 2022
Dec 23, 2022
Dec 21, 2022
(Electronic) Receipt
Appeal
Dec 21, 2022
Dec 21, 2022
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Dec 15, 2022
Aug 3, 2022
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Jul 27, 2022
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Mar 28, 2022
Dec 6, 2021
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Oct 11, 2021
Oct 11, 2021
Oct 7, 2021
(Electronic) Receipt
Appeal
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Reply to appeal
Appeal
Oct 6, 2021
(Electronic) Receipt
Appeal
Oct 6, 2021
Oct 6, 2021
Reply to appeal
Appeal
Oct 1, 2021
(Electronic) Receipt
Appeal
Oct 1, 2021
Oct 1, 2021
Reply to appeal
Appeal
Sep 21, 2021
May 28, 2021
May 28, 2021
May 28, 2021
May 28, 2021
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May 21, 2021
(Electronic) Receipt
Appeal
May 21, 2021
May 21, 2021
Nov 27, 2020
(Electronic) Receipt
Appeal
Nov 27, 2020
Nov 27, 2020
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Nov 27, 2020
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Nov 25, 2020
(Electronic) Receipt
Appeal
Nov 25, 2020
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Sep 29, 2020
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Sep 28, 2020
Sep 28, 2020
Sep 28, 2020
Sep 24, 2020
(Electronic) Receipt
Appeal
Sep 24, 2020
Sep 24, 2020
Notice of appeal
Appeal
Sep 21, 2020
(Electronic) Receipt
Appeal
Sep 21, 2020
Sep 21, 2020
Notice of appeal
Appeal
Jul 27, 2020
Jul 27, 2020
Jul 27, 2020
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Jul 24, 2020
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Means of redress
Search/Exam
Jul 20, 2020
Jul 20, 2020
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Mar 3, 2020
Jan 13, 2020
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Jan 8, 2020
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Jan 3, 2020
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Claims
OPPO
Jan 3, 2020
Claims
OPPO
Jan 3, 2020
Claims
OPPO
Jan 3, 2020
Claims
OPPO
Jan 3, 2020
Claims
OPPO
Jan 3, 2020
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Dec 19, 2019
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Jun 13, 2019
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May 27, 2019
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May 17, 2019
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Claims
OPPO
May 17, 2019
Claims
OPPO
May 17, 2019
Claims
OPPO
May 17, 2019
Claims
OPPO
May 17, 2019
May 17, 2019
Jan 8, 2019
Jan 8, 2019
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Dec 21, 2018
Dec 14, 2018
Dec 14, 2018
Dec 14, 2018
Dec 14, 2018
Dec 14, 2018
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Dec 10, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Mar 26, 2018
Feb 15, 2018
Decision to grant a European patent
Search/Exam
Jan 30, 2018
(Electronic) Receipt
Search/Exam
Jan 30, 2018
Filing of the translations of the claims
Search/Exam
Jan 30, 2018
French translation of claims
Search/Exam
Jan 30, 2018
German translation of the claims
Search/Exam
Nov 15, 2017
Nov 15, 2017
Nov 15, 2017
Nov 15, 2017
Intention to grant (signatures)
Search/Exam
Nov 15, 2017
Text intended for grant (clean copy)
Search/Exam
Nov 15, 2017
Oct 17, 2017
Examination started
Search/Exam
Jul 31, 2017
Jul 24, 2017
Feb 11, 2013
Feb 5, 2013
Feb 5, 2013
Oct 14, 2009
Claims
Search/Exam
Oct 14, 2009
Claims
Search/Exam
Oct 14, 2009
Description
Search/Exam
Oct 14, 2009
Description
Search/Exam
Oct 14, 2009
Jun 15, 2009
Communication from the Examining Division
Search/Exam
Nov 21, 2008
Oct 22, 2008
Notification of forthcoming publication
Search/Exam
Jun 6, 2008
Mar 20, 2008
Mar 20, 2008
European search opinion
Search/Exam
Mar 20, 2008
European search report
Search/Exam
Jul 10, 2007
Letter concerning the inventor
Search/Exam
Jun 25, 2007
Deficiency in designation of inventor
Search/Exam
May 14, 2007
Abstract
Search/Exam
May 14, 2007
Claims
Search/Exam
May 14, 2007
Description
Search/Exam
May 14, 2007
Drawings
Search/Exam
May 14, 2007
Request for grant of a European patent
Search/Exam