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The patent EP3211178 was granted to Mitsubishi Hitachi Power Systems on Sep 4, 2019. The application was filed on Jan 30, 2017 under application number EP17153735A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| SIEMENS ENERGY | Jun 4, 2020 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2013194667 |
| OPPOSITION | JP2013194667 |
| OPPOSITION | JPH0610608 |
| OPPOSITION | JPS572406B |
| OPPOSITION | US2007033802 |
| OPPOSITION | US2007148003 |
| OPPOSITION | US2013121839 |
| OPPOSITION | US2015369060 |
| OPPOSITION | US4121894 |
| OPPOSITION | US8070454 |
| OPPOSITION | WO2014007994 |
| SEARCH | US2014083639 |
| SEARCH | US4121894 |
| SEARCH | US6197424 |
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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May 21, 2024
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Feb 9, 2024
Feb 6, 2024
(Electronic) Receipt
Appeal
Feb 6, 2024
Feb 6, 2024
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(Electronic) Receipt
Appeal
Jan 23, 2024
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May 22, 2023
Sep 9, 2022
Sep 6, 2022
(Electronic) Receipt
Appeal
Sep 6, 2022
Sep 6, 2022
Reply to appeal
Appeal
May 2, 2022
Apr 14, 2022
(Electronic) Receipt
Appeal
Apr 14, 2022
Apr 14, 2022
Mar 30, 2022
Mar 30, 2022
Mar 21, 2022
(Electronic) Receipt
Appeal
Mar 21, 2022
Mar 21, 2022
Notice of appeal
Appeal
Jan 20, 2022
Jan 18, 2022
Jan 13, 2022
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Means of redress
OPPO
Jan 13, 2022
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Jun 26, 2020
Authorisation
OPPO
Jun 15, 2020
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Sep 16, 2019
Aug 8, 2019
Decision to grant a European patent
Search/Exam
Jul 26, 2019
Filing of the translations of the claims
Search/Exam
Jul 26, 2019
French translation of claims
Search/Exam
Jul 26, 2019
German translation of the claims
Search/Exam
Jul 22, 2019
Filing of the translations of the claims
Search/Exam
Jul 22, 2019
French translation of claims
Search/Exam
Jul 22, 2019
German translation of the claims
Search/Exam
May 14, 2019
May 14, 2019
May 14, 2019
Intention to grant (signatures)
Search/Exam
May 14, 2019
Text intended for grant (clean copy)
Search/Exam
May 14, 2019
Dec 14, 2018
Amended claims with annotations
Search/Exam
Dec 14, 2018
Claims
Search/Exam
Dec 14, 2018
Dec 12, 2018
Amended claims with annotations
Search/Exam
Dec 12, 2018
Claims
Search/Exam
Dec 12, 2018
Aug 13, 2018
Annex to the communication
Search/Exam
Aug 13, 2018
Communication from the Examining Division
Search/Exam
Aug 7, 2018
Examination started
Search/Exam
Mar 2, 2018
Mar 2, 2018
Amended description with annotations
Search/Exam
Mar 2, 2018
Amendments received before examination
Search/Exam
Feb 27, 2018
Feb 27, 2018
Amended description with annotations
Search/Exam
Feb 27, 2018
Amendments received before examination
Search/Exam
Sep 4, 2017
Aug 2, 2017
Notification of forthcoming publication
Search/Exam
Jun 30, 2017
Jun 30, 2017
European search opinion
Search/Exam
Jun 30, 2017
European search report
Search/Exam
Jun 30, 2017
Information on Search Strategy
Search/Exam
Jun 21, 2017
Search started
Search/Exam
Apr 21, 2017
Communication to designated inventor
Search/Exam
Apr 21, 2017
Communication to designated inventor
Search/Exam
Apr 21, 2017
Communication to designated inventor
Search/Exam
Apr 21, 2017
Communication to designated inventor
Search/Exam
Apr 7, 2017
Mar 30, 2017
Feb 20, 2017
Payment of fees and costs
Search/Exam
Feb 20, 2017
Payment of fees and costs
Search/Exam
Jan 30, 2017
Abstract
Search/Exam
Jan 30, 2017
Jan 30, 2017
Claims
Search/Exam
Jan 30, 2017
Description
Search/Exam
Jan 30, 2017
Designation of inventor
Search/Exam
Jan 30, 2017
Drawings
Search/Exam
Jan 30, 2017
Request for grant of a European patent
Search/Exam