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The patent EP2921648 was granted to Alstom Technology on Dec 26, 2018. The application was filed on Feb 25, 2015 under application number EP15156480A. The patent is currently recorded with a legal status of "Revoked".

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 | Sep 25, 2019 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US5525038 |
| OPPOSITION | EP1106835 |
| OPPOSITION | EP1524405 |
| OPPOSITION | EP1927724 |
| OPPOSITION | EP2022988 |
| OPPOSITION | EP2199543 |
| OPPOSITION | EP2333242 |
| OPPOSITION | EP2412926 |
| OPPOSITION | US2009317227 |
| OPPOSITION | US2010054946 |
| OPPOSITION | US2012183411 |
| OPPOSITION | US2012210715 |
| OPPOSITION | US6079948 |
| OPPOSITION | US8240975 |
| OPPOSITION | WO2007042522 |
| OPPOSITION | WO2012134833 |
| OPPOSITION | WO2013165527 |
| OPPOSITION | WO2014011276 |
| OPPOSITION | WO9614494 |
| SEARCH | EP1524405 |
| SEARCH | EP1754859 |
| SEARCH | EP2022988 |
| SEARCH | GB2490127 |
| SEARCH | US2010054946 |
| SEARCH | US2013017094 |
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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Jun 4, 2024
Jun 4, 2024
Jun 4, 2024
Apr 22, 2024
Apr 22, 2024
Apr 17, 2024
Authorisation
Appeal
Apr 17, 2024
Apr 17, 2024
Apr 17, 2024
Mar 27, 2024
Refund of fees
Search/Exam
Mar 22, 2024
Mar 22, 2024
Mar 21, 2024
Mar 18, 2024
(Electronic) Receipt
Appeal
Mar 18, 2024
(Electronic) Receipt
Appeal
Mar 18, 2024
Mar 18, 2024
Mar 18, 2024
Mar 18, 2024
Withdrawal of an appeal
Appeal
Mar 7, 2024
Mar 7, 2024
Mar 6, 2024
Mar 6, 2024
Feb 15, 2024
Feb 9, 2024
(Electronic) Receipt
Appeal
Feb 9, 2024
Feb 9, 2024
Jan 25, 2024
Jan 25, 2024
Jan 22, 2024
Dec 19, 2023
Dec 19, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Sep 7, 2023
Aug 31, 2023
Jul 26, 2023
(Electronic) Receipt
Appeal
Jul 26, 2023
Jul 26, 2023
Jul 26, 2023
Non-public annex
Appeal
Jul 26, 2023
Non-public annex
Appeal
Jul 26, 2023
Jul 21, 2023
(Electronic) Receipt
Appeal
Jul 21, 2023
Jul 21, 2023
Jul 21, 2023
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Jul 21, 2023
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Jul 21, 2023
May 4, 2023
Advice of delivery
Appeal
Apr 25, 2023
Apr 25, 2023
Apr 20, 2023
Apr 20, 2023
Nov 22, 2022
Annexes in respect of a client data request
Search/Exam
Nov 22, 2022
Annexes in respect of a client data request
Search/Exam
Nov 22, 2022
Submission concerning representation
Search/Exam
Nov 22, 2022
Submission concerning representation
Search/Exam
Mar 8, 2022
Mar 7, 2022
Feb 28, 2022
(Electronic) Receipt
Appeal
Feb 28, 2022
Feb 28, 2022
Reply to appeal
Appeal
Feb 18, 2022
Feb 11, 2022
(Electronic) Receipt
Appeal
Feb 11, 2022
Feb 11, 2022
Reply to appeal
Appeal
Oct 18, 2021
Oct 18, 2021
Oct 1, 2021
(Electronic) Receipt
Appeal
Oct 1, 2021
Oct 1, 2021
Oct 1, 2021
Oct 1, 2021
Description
Appeal
Oct 1, 2021
Oct 1, 2021
Sep 29, 2021
(Electronic) Receipt
Appeal
Sep 29, 2021
Sep 29, 2021
Aug 6, 2021
Aug 6, 2021
Aug 5, 2021
Aug 5, 2021
Jul 26, 2021
(Electronic) Receipt
Appeal
Jul 26, 2021
Jul 26, 2021
Notice of appeal
Appeal
Jul 23, 2021
(Electronic) Receipt
Appeal
Jul 23, 2021
Jul 23, 2021
Notice of appeal
Appeal
Jun 1, 2021
May 25, 2021
May 25, 2021
May 25, 2021
May 25, 2021
Apr 21, 2021
Mar 4, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
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Feb 4, 2021
Jan 29, 2021
Authorisation
OPPO
Jan 29, 2021
Jan 15, 2021
Jan 15, 2021
Sep 21, 2020
Aug 21, 2020
Jul 23, 2020
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Oct 11, 2019
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Oct 1, 2019
Sep 25, 2019
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Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Jan 9, 2019
Nov 29, 2018
Decision to grant a European patent
Search/Exam
Nov 13, 2018
(Electronic) Receipt
Search/Exam
Nov 13, 2018
French translation of claims
Search/Exam
Nov 13, 2018
German translation of the claims
Search/Exam
Nov 13, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 12, 2018
Jul 12, 2018
Jul 12, 2018
Intention to grant (signatures)
Search/Exam
Jul 12, 2018
Text intended for grant (clean copy)
Search/Exam
Jul 12, 2018
Jun 5, 2018
Examination started
Search/Exam
Apr 26, 2017
Apr 6, 2017
Authorisation
Search/Exam
Apr 6, 2017
Authorisation
Search/Exam
Feb 9, 2017
Payment of fees and costs
Search/Exam
Feb 9, 2017
Jul 19, 2016
Jul 19, 2016
Jul 11, 2016
Mar 22, 2016
(Electronic) Receipt
Search/Exam
Mar 22, 2016
Mar 22, 2016
Amendments received before examination
Search/Exam
Mar 22, 2016
Letter accompanying subsequently filed items
Search/Exam
Feb 11, 2016
Feb 8, 2016
Feb 2, 2016
Nov 11, 2015
Submission concerning representation
Search/Exam
Nov 4, 2015
Refund of fees
Search/Exam
Oct 13, 2015
Oct 6, 2015
Sep 28, 2015
Sep 28, 2015
Aug 26, 2015
Notification of forthcoming publication
Search/Exam
Jul 20, 2015
Jul 20, 2015
European search opinion
Search/Exam
Jul 20, 2015
European search report
Search/Exam
Jul 15, 2015
Priority search results copy provided by EPO
Search/Exam
Jul 9, 2015
Search started
Search/Exam
May 4, 2015
Apr 27, 2015
Apr 24, 2015
Apr 20, 2015
Communication to designated inventor
Search/Exam
Apr 20, 2015
Communication to designated inventor
Search/Exam
Apr 17, 2015
Submission concerning representation
Search/Exam
Feb 25, 2015
Abstract
Search/Exam
Feb 25, 2015
Feb 25, 2015
Claims
Search/Exam
Feb 25, 2015
Description
Search/Exam
Feb 25, 2015
Designation of inventor
Search/Exam
Feb 25, 2015
Drawings
Search/Exam
Feb 25, 2015
General authorisation
Search/Exam
Feb 25, 2015
Request for grant of a European patent
Search/Exam