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The patent EP2882939 was granted to Siemens on Jan 8, 2020. The application was filed on Oct 5, 2012 under application number EP12772752A. 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 |
|---|---|---|---|
| ANSALDO ENERGIA SWITZERLAND | Oct 7, 2020 | STUDIO TORTA | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0412397 |
| DESCRIPTION | EP0486489 |
| DESCRIPTION | EP0786017 |
| DESCRIPTION | EP0892090 |
| DESCRIPTION | EP1204776 |
| DESCRIPTION | EP1306454 |
| DESCRIPTION | EP1319729 |
| DESCRIPTION | US6024792 |
| DESCRIPTION | WO0044949 |
| DESCRIPTION | WO9967435 |
| INTERNATIONAL-SEARCH-REPORT | EP1076158 |
| INTERNATIONAL-SEARCH-REPORT | EP1247941 |
| INTERNATIONAL-SEARCH-REPORT | EP1428902 |
| INTERNATIONAL-SEARCH-REPORT | EP1491658 |
| INTERNATIONAL-SEARCH-REPORT | EP1674663 |
| INTERNATIONAL-SEARCH-REPORT | EP1806430 |
| INTERNATIONAL-SEARCH-REPORT | EP1985803 |
| INTERNATIONAL-SEARCH-REPORT | EP2112253 |
| INTERNATIONAL-SEARCH-REPORT | EP2230329 |
| INTERNATIONAL-SEARCH-REPORT | EP2407579 |
| INTERNATIONAL-SEARCH-REPORT | US2003203224 |
| INTERNATIONAL-SEARCH-REPORT | US2007274837 |
| INTERNATIONAL-SEARCH-REPORT | US2009311508 |
| OPPOSITION | EP2450465 |
| OPPOSITION | EP2644824 |
| OPPOSITION | US2004057832 |
| OPPOSITION | US2005106316 |
| OPPOSITION | US2006029723 |
| OPPOSITION | US5972424 |
| OPPOSITION | WO2007112783 |
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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Apr 9, 2025
Refund of fees
Search/Exam
Apr 7, 2025
Apr 7, 2025
Apr 7, 2025
Apr 7, 2025
Apr 2, 2025
(Electronic) Receipt
Appeal
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Withdrawal of an appeal
Appeal
Mar 12, 2025
Mar 7, 2025
(Electronic) Receipt
Appeal
Mar 7, 2025
Mar 7, 2025
Mar 3, 2025
Mar 3, 2025
Feb 6, 2025
Feb 3, 2025
(Electronic) Receipt
Appeal
Feb 3, 2025
Feb 3, 2025
Jan 20, 2025
Jan 15, 2025
(Electronic) Receipt
Appeal
Jan 15, 2025
Jan 15, 2025
Sep 13, 2024
Sep 10, 2024
(Electronic) Receipt
Appeal
Sep 10, 2024
Sep 10, 2024
Reply to appeal
Appeal
Jun 28, 2024
Jun 28, 2024
Jun 25, 2024
May 10, 2024
May 6, 2024
Aug 31, 2023
Feb 1, 2023
Letter accompanying subsequently filed items
Search/Exam
Feb 1, 2023
Jan 12, 2023
Jan 11, 2023
Jan 11, 2023
Jan 5, 2023
(Electronic) Receipt
Appeal
Jan 5, 2023
Jan 5, 2023
Notice of appeal
Appeal
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Jan 2, 2023
Jan 2, 2023
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Means of redress
OPPO
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Dec 2, 2022
Nov 22, 2022
Annex
OPPO
Nov 22, 2022
Oct 10, 2022
Oct 3, 2022
Oct 3, 2022
Oct 3, 2022
Sep 21, 2022
Sep 14, 2022
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Apr 5, 2022
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Oct 7, 2020
Jan 20, 2020
Dec 12, 2019
Decision to grant a European patent
Search/Exam
Nov 29, 2019
(Electronic) Receipt
Search/Exam
Nov 29, 2019
English translation of the claims
Search/Exam
Nov 29, 2019
French translation of claims
Search/Exam
Nov 29, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 20, 2019
Sep 20, 2019
Sep 20, 2019
Intention to grant (signatures)
Search/Exam
Sep 20, 2019
Text intended for grant (clean copy)
Search/Exam
Sep 20, 2019
Jul 1, 2019
Advice of delivery
Search/Exam
Jul 1, 2019
Jun 27, 2019
(Electronic) Receipt
Search/Exam
Jun 27, 2019
Amended claims with annotations
Search/Exam
Jun 27, 2019
Amended description with annotations
Search/Exam
Jun 27, 2019
Annex to the communication
Search/Exam
Jun 27, 2019
Claims
Search/Exam
Jun 27, 2019
Communication from the Examining Division
Search/Exam
Jun 27, 2019
Description
Search/Exam
Jun 27, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 27, 2019
Jun 18, 2019
(Electronic) Receipt
Search/Exam
Jun 18, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 18, 2019
Apr 10, 2019
Mar 5, 2019
(Electronic) Receipt
Search/Exam
Mar 5, 2019
Amended claims with annotations
Search/Exam
Mar 5, 2019
Amended claims with annotations
Search/Exam
Mar 5, 2019
Amended claims with annotations
Search/Exam
Mar 5, 2019
Amended claims with annotations
Search/Exam
Mar 5, 2019
Amended claims with annotations
Search/Exam
Mar 5, 2019
Amended claims with annotations
Search/Exam
Mar 5, 2019
Amended claims with annotations
Search/Exam
Mar 5, 2019
Amended claims with annotations
Search/Exam
Mar 5, 2019
Claims
Search/Exam
Mar 5, 2019
Claims
Search/Exam
Mar 5, 2019
Claims
Search/Exam
Mar 5, 2019
Claims
Search/Exam
Mar 5, 2019
Claims
Search/Exam
Mar 5, 2019
Claims
Search/Exam
Mar 5, 2019
Claims
Search/Exam
Mar 5, 2019
Claims
Search/Exam
Mar 5, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2019
Feb 26, 2019
Advice of delivery
Search/Exam
Feb 8, 2019
Advice of delivery
Search/Exam
Feb 4, 2019
Acknowledgement of a document
Search/Exam
Feb 4, 2019
Annex to the communication
Search/Exam
Feb 4, 2019
Summons to attend oral proceedings
Search/Exam
Jul 25, 2018
(Electronic) Receipt
Search/Exam
Jul 25, 2018
Amended claims with annotations
Search/Exam
Jul 25, 2018
Claims
Search/Exam
Jul 25, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 25, 2018
Jul 13, 2018
Annex to the communication
Search/Exam
Jul 13, 2018
Communication from the Examining Division
Search/Exam
Jul 6, 2018
Examination started
Search/Exam
Apr 16, 2018
Jul 31, 2017
Jul 24, 2017
Jun 1, 2015
(Electronic) Receipt
Search/Exam
Jun 1, 2015
Letter accompanying subsequently filed items
Search/Exam
Jun 1, 2015
Matter concerning the application
Search/Exam
May 21, 2015
May 20, 2015
May 8, 2015
Communication to designated inventor
Search/Exam
May 8, 2015
Communication to designated inventor
Search/Exam
May 8, 2015
Communication to designated inventor
Search/Exam
May 8, 2015
Communication to designated inventor
Search/Exam
May 8, 2015
Communication to designated inventor
Search/Exam
May 8, 2015
Communication to designated inventor
Search/Exam
Apr 21, 2015
Mar 12, 2015
(Electronic) Receipt
Search/Exam
Mar 12, 2015
Mar 12, 2015
Request for entry into the European phase
Search/Exam
Feb 13, 2015
Information on entry into European phase
Search/Exam
Apr 10, 2014
Copy of the international search report
Search/Exam
Apr 10, 2014
Copy of the international search report
Search/Exam
Apr 10, 2014
Published international application - A1
Search/Exam
Jul 15, 2013
Jul 15, 2013
Jul 15, 2013
Oct 5, 2012
(Electronic) Receipt
PCTRO