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The patent EP2476476 was granted to Alstom Technology on May 30, 2018. The application was filed on Jan 14, 2011 under application number EP11150969A. 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 |
|---|---|---|---|
| LAIR LIQUIDE SOCIETE ANONYME POUR LETUDE ET LEXPLOITATION DES PROCEDES GEORGES CLAUDE | Feb 28, 2019 | AIR LIQUIDE | ADMISSIBLE |
| MITSUBISHI HEAVY INDUSTRIES ENGINEERING | Feb 28, 2019 | RGTH | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2092973 |
| DESCRIPTION | GB2416389 |
| DESCRIPTION | US5931021 |
| OPPOSITION | CA2732778 |
| OPPOSITION | EP2092973 |
| OPPOSITION | US2009264695 |
| OPPOSITION | US2010287123 |
| OPPOSITION | WO2011000761 |
| OPPOSITION | WO2011101296 |
| OTHER | US2009264695 |
| OTHER | US2010287123 |
| SEARCH | CA2732778 |
| SEARCH | EP2092973 |
| SEARCH | US2009264695 |
| SEARCH | US2010287123 |
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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Mar 2, 2023
Feb 1, 2023
Refund of fees
Appeal
Jan 30, 2023
Jan 30, 2023
Jan 30, 2023
Jan 30, 2023
Jan 30, 2023
Jan 30, 2023
Jan 30, 2023
Jan 13, 2023
Jan 13, 2023
Jan 10, 2023
Jan 10, 2023
Jan 10, 2023
Jan 4, 2023
Jan 4, 2023
Dec 23, 2022
(Electronic) Receipt
Appeal
Dec 23, 2022
Dec 23, 2022
Dec 12, 2022
Dec 12, 2022
Dec 7, 2022
(Electronic) Receipt
Appeal
Dec 7, 2022
Dec 7, 2022
Dec 5, 2022
Advice of delivery
Appeal
Dec 2, 2022
Dec 2, 2022
Sep 26, 2022
Sep 26, 2022
Sep 21, 2022
(Electronic) Receipt
Appeal
Sep 21, 2022
Advice of delivery
Search/Exam
Sep 21, 2022
Sep 21, 2022
Sep 20, 2022
Sep 20, 2022
Sep 20, 2022
Sep 15, 2022
Aug 8, 2022
Aug 8, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Jun 27, 2022
Jun 27, 2022
Jun 22, 2022
(Electronic) Receipt
Appeal
Jun 22, 2022
Jun 22, 2022
Jun 3, 2022
Jun 3, 2022
Jun 3, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 8, 2022
Nov 4, 2020
Nov 4, 2020
Nov 4, 2020
Nov 3, 2020
Nov 3, 2020
Nov 3, 2020
Nov 3, 2020
Oct 23, 2020
Oct 23, 2020
Oct 23, 2020
Jul 15, 2020
Jul 15, 2020
Jul 10, 2020
(Electronic) Receipt
Appeal
Jul 10, 2020
Jul 10, 2020
Jul 10, 2020
Jul 10, 2020
Jul 8, 2020
Jul 8, 2020
Jul 6, 2020
(Electronic) Receipt
Appeal
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Notice of opposition
Appeal
Jul 6, 2020
Reply to appeal
Appeal
Jul 6, 2020
Reply to appeal
Appeal
Jul 2, 2020
(Electronic) Receipt
Appeal
Jul 2, 2020
Jul 2, 2020
Reply to appeal
Appeal
Jun 30, 2020
Jun 30, 2020
May 5, 2020
Mar 6, 2020
Mar 6, 2020
Mar 2, 2020
(Electronic) Receipt
Appeal
Mar 2, 2020
Mar 2, 2020
Mar 2, 2020
Mar 2, 2020
Jan 22, 2020
Advice of delivery
Search/Exam
Jan 22, 2020
Advice of delivery
Search/Exam
Jan 14, 2020
Jan 14, 2020
Jan 14, 2020
Dec 23, 2019
(Electronic) Receipt
Appeal
Dec 23, 2019
Dec 23, 2019
Notice of appeal
Appeal
Nov 13, 2019
Nov 12, 2019
Nov 7, 2019
Nov 4, 2019
Oct 30, 2019
Oct 30, 2019
Oct 30, 2019
Oct 30, 2019
Oct 30, 2019
Oct 30, 2019
Oct 30, 2019
Oct 30, 2019
Means of redress
OPPO
Aug 12, 2019
Jun 13, 2019
Jun 13, 2019
Jun 4, 2019
Jun 4, 2019
Jun 4, 2019
Jun 4, 2019
May 28, 2019
May 21, 2019
May 16, 2019
May 15, 2019
Mar 15, 2019
Mar 12, 2019
Mar 12, 2019
Mar 12, 2019
Mar 12, 2019
Mar 8, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Jun 11, 2018
May 4, 2018
Decision to grant a European patent
Search/Exam
Apr 19, 2018
(Electronic) Receipt
Search/Exam
Apr 19, 2018
French translation of claims
Search/Exam
Apr 19, 2018
German translation of the claims
Search/Exam
Apr 19, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 16, 2018
Submission concerning representation
Search/Exam
Dec 18, 2017
Dec 18, 2017
Dec 18, 2017
Intention to grant (signatures)
Search/Exam
Dec 18, 2017
Text intended for grant (clean copy)
Search/Exam
Dec 18, 2017
May 12, 2017
(Electronic) Receipt
Search/Exam
May 12, 2017
Amended claims with annotations
Search/Exam
May 12, 2017
Amended description with annotations
Search/Exam
May 12, 2017
Claims
Search/Exam
May 12, 2017
Description
Search/Exam
May 12, 2017
Letter accompanying subsequently filed items
Search/Exam
May 12, 2017
Feb 28, 2017
Feb 22, 2017
(Electronic) Receipt
Search/Exam
Feb 22, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 22, 2017
Nov 2, 2016
Annex to the communication
Search/Exam
Nov 2, 2016
Communication from the Examining Division
Search/Exam
Oct 19, 2016
Examination started
Search/Exam
Aug 1, 2016
Jul 14, 2016
Jul 5, 2016
Annexes in respect of a client data request
Search/Exam
Jul 4, 2016
Jul 4, 2016
Jun 21, 2016
Apr 8, 2016
Apr 4, 2016
Submission concerning representation
Search/Exam
Nov 10, 2015
Submission concerning representation
Search/Exam
Apr 24, 2015
Apr 17, 2015
Submission concerning representation
Search/Exam
Mar 10, 2015
Mar 3, 2015
Non-patent literature filed by a third party
Search/Exam
Mar 3, 2015
Non-patent literature filed by a third party
Search/Exam
Mar 3, 2015
Non-patent literature filed by a third party
Search/Exam
Mar 3, 2015
Non-patent literature filed by a third party
Search/Exam
Mar 3, 2015
Non-patent literature filed by a third party
Search/Exam
Mar 3, 2015
Observations by third parties
Search/Exam
Mar 3, 2015
Patent document filed by a Third party
Search/Exam
Nov 7, 2014
Sep 10, 2013
Submission concerning representation
Search/Exam
Jan 17, 2013
(Electronic) Receipt
Search/Exam
Jan 17, 2013
Abstract
Search/Exam
Jan 17, 2013
Abstract
Search/Exam
Jan 17, 2013
Jan 17, 2013
Amended claims with annotations
Search/Exam
Jan 17, 2013
Jan 17, 2013
Amended description with annotations
Search/Exam
Jan 17, 2013
Jan 17, 2013
Amended drawings with annotations
Search/Exam
Jan 17, 2013
Amendments received before examination
Search/Exam
Jan 17, 2013
Letter accompanying subsequently filed items
Search/Exam
Jul 23, 2012
Jun 20, 2012
Notification of forthcoming publication
Search/Exam
Jul 5, 2011
Jul 5, 2011
European search opinion
Search/Exam
Jul 5, 2011
European search report
Search/Exam
Apr 1, 2011
Mar 2, 2011
(Electronic) Receipt
Search/Exam
Mar 2, 2011
Letter accompanying subsequently filed items
Search/Exam
Mar 2, 2011
Jan 14, 2011
Abstract
Search/Exam
Jan 14, 2011
Jan 14, 2011
Claims
Search/Exam
Jan 14, 2011
Description
Search/Exam
Jan 14, 2011
Designation of inventor
Search/Exam
Jan 14, 2011
Drawings
Search/Exam
Jan 14, 2011
Request for grant of a European patent
Search/Exam