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The patent EP2800898 was granted to Flender on Apr 2, 2025. The application was filed on Jan 21, 2013 under application number EP13702373A. 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 |
|---|---|---|---|
| GE WIND ENERGY | Sep 11, 2020 | ZIMMERMANN & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE102007049368 |
| INTERNATIONAL-SEARCH-REPORT | AT408497B |
| INTERNATIONAL-SEARCH-REPORT | EP2677168 |
| OPPOSITION | AT408497B |
| OPPOSITION | DE102007049368 |
| OPPOSITION | DE102012201762 |
| OPPOSITION | EP2072814 |
| OPPOSITION | US2011241630 |
| OPPOSITION | US9379552 |
| OPPOSITION | WO2013117411 |
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 6, 2025
Mar 6, 2025
Feb 25, 2025
Feb 25, 2025
Feb 25, 2025
Description
OPPO
Feb 25, 2025
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Nov 13, 2024
Nov 8, 2024
(Electronic) Receipt
Appeal
Nov 8, 2024
Nov 8, 2024
Sep 26, 2024
Sep 26, 2024
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May 2, 2024
(Electronic) Receipt
Appeal
May 2, 2024
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Mar 26, 2024
Mar 21, 2024
(Electronic) Receipt
Appeal
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
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Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Description
Appeal
Mar 21, 2024
Description
Appeal
Mar 21, 2024
Description
Appeal
Mar 21, 2024
Description
Appeal
Mar 21, 2024
Mar 21, 2024
Reply to appeal
Appeal
Nov 24, 2023
Nov 24, 2023
Nov 21, 2023
(Electronic) Receipt
Appeal
Nov 21, 2023
(Electronic) Receipt
Appeal
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Jul 28, 2023
Jul 28, 2023
Jul 21, 2023
(Electronic) Receipt
Appeal
Jul 21, 2023
(Electronic) Receipt
Appeal
Jul 21, 2023
Jul 21, 2023
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Jul 21, 2023
Jun 23, 2023
Mar 3, 2023
Mar 3, 2023
Feb 28, 2023
(Electronic) Receipt
Appeal
Feb 28, 2023
(Electronic) Receipt
Appeal
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Nov 30, 2022
Nov 25, 2022
(Electronic) Receipt
Appeal
Nov 25, 2022
Nov 25, 2022
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(Electronic) Receipt
Appeal
Nov 24, 2022
Nov 24, 2022
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Oct 14, 2022
Oct 7, 2022
(Electronic) Receipt
Appeal
Oct 7, 2022
Oct 7, 2022
Notice of appeal
Appeal
Aug 3, 2022
Jul 29, 2022
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Means of redress
OPPO
Jul 29, 2022
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Apr 6, 2022
Document concerning representation
Search/Exam
Mar 10, 2022
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Dec 1, 2020
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Nov 24, 2020
Annexes in respect of a client data request
Search/Exam
Nov 24, 2020
Annexes in respect of a client data request
Search/Exam
Nov 24, 2020
Annexes in respect of a client data request
Search/Exam
Nov 24, 2020
Annexes in respect of a client data request
Search/Exam
Nov 24, 2020
Annexes in respect of a client data request
Search/Exam
Nov 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 24, 2020
Nov 24, 2020
Sep 25, 2020
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Sep 23, 2020
Sep 11, 2020
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Dec 20, 2019
Nov 14, 2019
Decision to grant a European patent
Search/Exam
Oct 31, 2019
(Electronic) Receipt
Search/Exam
Oct 31, 2019
English translation of the claims
Search/Exam
Oct 31, 2019
Filing of the translations of the claims
Search/Exam
Oct 31, 2019
French translation of claims
Search/Exam
Aug 6, 2019
Aug 6, 2019
Aug 6, 2019
Intention to grant (signatures)
Search/Exam
Aug 6, 2019
Text intended for grant (clean copy)
Search/Exam
Aug 6, 2019
Jun 17, 2019
(Electronic) Receipt
Search/Exam
Jun 17, 2019
Amended claims with annotations
Search/Exam
Jun 17, 2019
Amended description with annotations
Search/Exam
Jun 17, 2019
Claims
Search/Exam
Jun 17, 2019
Description
Search/Exam
Jun 17, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 17, 2019
Apr 3, 2019
Annex to the communication
Search/Exam
Apr 3, 2019
Communication from the Examining Division
Search/Exam
Aug 9, 2018
(Electronic) Receipt
Search/Exam
Aug 9, 2018
Amended description with annotations
Search/Exam
Aug 9, 2018
Description
Search/Exam
Aug 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 9, 2018
Apr 16, 2018
Annex to the communication
Search/Exam
Apr 16, 2018
Communication from the Examining Division
Search/Exam
Apr 11, 2018
Examination started
Search/Exam
Jul 31, 2017
Jul 24, 2017
Oct 15, 2014
Oct 10, 2014
Sep 12, 2014
Communication to designated inventor
Search/Exam
Sep 12, 2014
Communication to designated inventor
Search/Exam
Aug 26, 2014
Aug 4, 2014
(Electronic) Receipt
Search/Exam
Aug 4, 2014
Aug 4, 2014
Aug 4, 2014
Amended description with annotations
Search/Exam
Aug 4, 2014
Amendments received before examination
Search/Exam
Aug 4, 2014
Priority search results
Search/Exam
Aug 4, 2014
Request for entry into the European phase
Search/Exam
Jul 29, 2014
Jul 24, 2014
Copy of the international search report
Search/Exam
Jul 24, 2014
Copy of the international search report
Search/Exam
Jul 24, 2014
Jun 23, 2014
Information on entry into European phase
Search/Exam
Jun 5, 2014
Jun 5, 2014
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Sep 3, 2013
Aug 15, 2013
Published international application - A2
Search/Exam
Jan 21, 2013
(Electronic) Receipt
PCTRO
Jan 21, 2013
Abstract
PCTRO
Jan 21, 2013
Claims
PCTRO
Jan 21, 2013
Description
PCTRO
Jan 21, 2013
Drawings
PCTRO