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The patent EP3698031 was granted to Siemens on Oct 15, 2025. The application was filed on Jan 22, 2019 under application number EP19704203A. 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 |
|---|---|---|---|
| ANSALDO ENERGIA SWITZERLAND | Apr 7, 2022 | STUDIO TORTA | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2014123651 |
| INTERNATIONAL-SEARCH-REPORT | US2004255594 |
| INTERNATIONAL-SEARCH-REPORT | US2014123651 |
| INTERNATIONAL-SEARCH-REPORT | WO2015112515 |
| OPPOSITION | US2004255594 |
| OPPOSITION | US2012017601 |
| OPPOSITION | US2014053566 |
| OPPOSITION | US2014123651 |
| OPPOSITION | US2016018111 |
| OPPOSITION | US8794008 |
| OPPOSITION | WO2015112515 |
| OPPOSITION | WO2017196356 |
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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Sep 18, 2025
Sep 18, 2025
Sep 4, 2025
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Jun 24, 2025
Refund of fees
Appeal
Jun 18, 2025
Jun 18, 2025
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(Electronic) Receipt
Appeal
Jun 17, 2025
Jun 17, 2025
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Withdrawal of an appeal
Appeal
May 22, 2025
May 22, 2025
Dec 11, 2024
Dec 11, 2024
Dec 10, 2024
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Dec 6, 2024
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(Electronic) Receipt
Appeal
Apr 3, 2024
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Reply to appeal
Appeal
Dec 15, 2023
Dec 12, 2023
(Electronic) Receipt
Appeal
Dec 12, 2023
Dec 12, 2023
Oct 24, 2023
Oct 24, 2023
Oct 17, 2023
(Electronic) Receipt
Appeal
Oct 17, 2023
Oct 17, 2023
Notice of appeal
Appeal
Aug 7, 2023
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Means of redress
OPPO
Aug 7, 2023
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Jul 20, 2021
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Jun 10, 2021
Decision to grant a European patent
Search/Exam
Jun 9, 2021
Annexes in respect of a client data request
Search/Exam
Jun 9, 2021
May 27, 2021
(Electronic) Receipt
Search/Exam
May 27, 2021
English translation of the claims
Search/Exam
May 27, 2021
Filing of the translations of the claims
Search/Exam
May 27, 2021
French translation of claims
Search/Exam
Mar 10, 2021
Mar 10, 2021
Mar 10, 2021
Text intended for grant (clean copy)
Search/Exam
Mar 10, 2021
Mar 9, 2021
Intention to grant (signatures)
Search/Exam
Mar 1, 2021
Jan 21, 2021
(Electronic) Receipt
Search/Exam
Jan 21, 2021
Jan 21, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 21, 2021
Dec 23, 2020
Aug 31, 2020
Jul 29, 2020
Jun 16, 2020
(Electronic) Receipt
Search/Exam
Jun 16, 2020
Jun 16, 2020
Amended claims with annotations
Search/Exam
Jun 16, 2020
Amendments received before examination
Search/Exam
Jun 16, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 5, 2020
Jun 2, 2020
Communication to designated inventor
Search/Exam
Jun 2, 2020
Communication to designated inventor
Search/Exam
Jun 2, 2020
Communication to designated inventor
Search/Exam
Jun 2, 2020
May 28, 2020
May 28, 2020
May 28, 2020
Notification of the recording of a change
Search/Exam
May 28, 2020
Priority search results copy provided by EPO
Search/Exam
May 19, 2020
(Electronic) Receipt
Search/Exam
May 19, 2020
Request for entry into the European phase
Search/Exam
Sep 10, 2019
Sep 10, 2019
Aug 22, 2019
Copy of the international search report
Search/Exam
Aug 22, 2019
Copy of the international search report
Search/Exam
Aug 22, 2019
Published international application - A1
Search/Exam
May 14, 2019
ISR: cited documents
PCTISA
May 14, 2019
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Feb 26, 2019
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Feb 6, 2019
Jan 28, 2019
Jan 22, 2019
(Electronic) Receipt
PCTRO
Jan 22, 2019
Abstract
PCTRO
Jan 22, 2019
Claims
PCTRO
Jan 22, 2019
Description
PCTRO
Jan 22, 2019
Jan 22, 2019
Drawings
PCTRO
Jan 22, 2019
Jan 22, 2019
Jan 22, 2019