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The patent EP4118352 was granted to Siemens Gamesa Renewable Energy on Dec 27, 2023. The application was filed on Apr 27, 2021 under application number EP21721100A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| BOBBERT | Sep 27, 2024 | BOBBERT & PARTNER PATENTANWALTE PARTMBB | ADMISSIBLE |
| THYSSENKRUPP ROTHE ERDE GERMANY | Sep 27, 2024 | ANDREJEWSKI HONKE PATENT UND RECHTSANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP3460272 |
| INTERNATIONAL-SEARCH-REPORT | DE9207013U |
| INTERNATIONAL-SEARCH-REPORT | EP2711568 |
| INTERNATIONAL-SEARCH-REPORT | EP3219984 |
| INTERNATIONAL-SEARCH-REPORT | EP3460272 |
| INTERNATIONAL-SEARCH-REPORT | EP3594495 |
| INTERNATIONAL-SEARCH-REPORT | WO2011045435 |
| INTERNATIONAL-SEARCH-REPORT | WO2017162250 |
| OPPOSITION | AT521940 |
| OPPOSITION | DE10043936 |
| OPPOSITION | DE102009049769 |
| OPPOSITION | DE102017105576 |
| OPPOSITION | DE102020108248 |
| OPPOSITION | DE9207013U |
| OPPOSITION | EP2711568 |
| OPPOSITION | EP2921728 |
| OPPOSITION | EP3219984 |
| OPPOSITION | EP3594495 |
| OPPOSITION | US6814493 |
| OPPOSITION | WO2011127510 |
| OPPOSITION | WO2017162250 |
| OPPOSITION | WO2018024410 |
| OPPOSITION | WO2020176918 |
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.
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Description
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Decision to grant a European patent
Search/Exam
Nov 17, 2023
(Electronic) Receipt
Search/Exam
Nov 17, 2023
Filing of the translations of the claims
Search/Exam
Nov 17, 2023
French translation of claims
Search/Exam
Nov 17, 2023
German translation of the claims
Search/Exam
Aug 8, 2023
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Intention to grant (signatures)
Search/Exam
Aug 8, 2023
Text intended for grant (clean copy)
Search/Exam
Aug 8, 2023
Jul 6, 2023
Examination started
Search/Exam
Apr 28, 2023
(Electronic) Receipt
Search/Exam
Apr 28, 2023
Apr 28, 2023
Amended claims with annotations
Search/Exam
Apr 28, 2023
Amendments received before examination
Search/Exam
Apr 28, 2023
Letter accompanying subsequently filed items
Search/Exam
Dec 21, 2022
Nov 14, 2022
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Oct 31, 2022
Oct 27, 2022
Priority search results copy provided by EPO
Search/Exam
Oct 13, 2022
(Electronic) Receipt
Search/Exam
Oct 13, 2022
Annex
Search/Exam
Oct 13, 2022
Oct 13, 2022
Notification of the recording of a change
Search/Exam
Oct 13, 2022
Request for entry into the European phase
Search/Exam
Sep 13, 2022
Information on entry into European phase
Search/Exam
Aug 2, 2022
Aug 2, 2022
Notification of the recording of a change
Search/Exam
Nov 22, 2021
Nov 4, 2021
Copy of the international search report
Search/Exam
Nov 4, 2021
Published international application - A1
Search/Exam
Jul 12, 2021
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Apr 27, 2021
(Electronic) Receipt
PCTRO
Apr 27, 2021
Abstract
PCTRO
Apr 27, 2021
Claims
PCTRO
Apr 27, 2021
Description
PCTRO
Apr 27, 2021
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Drawings
PCTRO
Apr 27, 2021