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The patent EP2427468 was granted to Johnson Matthey Public on Jun 4, 2025. The application was filed on Jan 12, 2010 under application number EP10700450A. 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 |
|---|---|---|---|
| UMICORE | Mar 13, 2018 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US4196135 |
| OPPOSITION | US2006106239 |
| OPPOSITION | WO2004039819 |
| OTHER | US3799961 |
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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Means of redress
OPPO
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Description
OPPO
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Description
OPPO
Apr 3, 2024
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Description
OPPO
Mar 6, 2024
Mar 6, 2024
Feb 15, 2024
Dec 7, 2023
Dec 7, 2023
Dec 7, 2023
Dec 7, 2023
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Oct 2, 2023
Advice of delivery
Appeal
Sep 29, 2023
Sep 29, 2023
Sep 29, 2023
Jul 25, 2023
Jul 25, 2023
Jul 20, 2023
Jun 27, 2023
Jun 22, 2023
(Electronic) Receipt
Appeal
Jun 22, 2023
Jun 22, 2023
Jun 19, 2023
Jun 13, 2023
(Electronic) Receipt
Appeal
Jun 13, 2023
(Electronic) Receipt
Appeal
Jun 13, 2023
Jun 13, 2023
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Apr 14, 2023
Apr 14, 2023
Feb 7, 2023
Feb 7, 2023
Jan 18, 2023
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Annex
OPPO
Jan 17, 2023
Aug 15, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
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Aug 8, 2022
Aug 8, 2022
Feb 2, 2021
Jan 28, 2021
(Electronic) Receipt
Appeal
Jan 28, 2021
Jan 28, 2021
Nov 11, 2020
Nov 5, 2020
(Electronic) Receipt
Appeal
Nov 5, 2020
Nov 5, 2020
Nov 5, 2020
Reply to appeal
Appeal
Nov 5, 2020
Reply to appeal
Appeal
Nov 4, 2020
Oct 26, 2020
(Electronic) Receipt
Appeal
Oct 26, 2020
Oct 26, 2020
Reply to appeal
Appeal
Jun 26, 2020
Jun 26, 2020
Jun 22, 2020
(Electronic) Receipt
Appeal
Jun 22, 2020
Jun 22, 2020
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Claims
Appeal
Jun 22, 2020
Jun 22, 2020
Jun 19, 2020
(Electronic) Receipt
Appeal
Jun 19, 2020
Jun 19, 2020
Jun 11, 2020
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May 14, 2020
(Electronic) Receipt
Appeal
May 14, 2020
May 14, 2020
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Apr 30, 2020
(Electronic) Receipt
Appeal
Apr 30, 2020
Apr 30, 2020
Notice of appeal
Appeal
Apr 21, 2020
(Electronic) Receipt
Appeal
Apr 21, 2020
Apr 21, 2020
Notice of appeal
Appeal
Mar 31, 2020
Mar 31, 2020
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Mar 19, 2020
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Means of redress
OPPO
Feb 11, 2020
Feb 11, 2020
Feb 11, 2020
Feb 11, 2020
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Sep 18, 2019
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Authorisation
OPPO
Sep 12, 2019
Claims
OPPO
Sep 12, 2019
Claims
OPPO
Sep 12, 2019
Claims
OPPO
Sep 12, 2019
Claims
OPPO
Sep 12, 2019
Claims
OPPO
Sep 12, 2019
Claims
OPPO
Sep 12, 2019
Claims
OPPO
Sep 12, 2019
Claims
OPPO
Sep 12, 2019
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Aug 29, 2019
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Jun 14, 2017
May 18, 2017
Decision to grant a European patent
Search/Exam
May 2, 2017
(Electronic) Receipt
Search/Exam
May 2, 2017
Filing of the translations of the claims
Search/Exam
May 2, 2017
French translation of claims
Search/Exam
May 2, 2017
German translation of the claims
Search/Exam
May 2, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 16, 2017
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Mar 16, 2017
Intention to grant (signatures)
Search/Exam
Mar 16, 2017
Text intended for grant (clean copy)
Search/Exam
Mar 16, 2017
Mar 8, 2017
Jan 31, 2017
(Electronic) Receipt
Search/Exam
Jan 31, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 31, 2017
Sep 21, 2016
Sep 21, 2016
Sep 21, 2016
Sep 21, 2016
Sep 21, 2016
Intention to grant (signatures)
Search/Exam
Sep 21, 2016
Text intended for grant (clean copy)
Search/Exam
Sep 21, 2016
Jun 21, 2016
Decision to allow further processing
Search/Exam
Jun 7, 2016
(Electronic) Receipt
Search/Exam
Jun 7, 2016
Amended claims with annotations
Search/Exam
Jun 7, 2016
Amended description with annotations
Search/Exam
Jun 7, 2016
Claims
Search/Exam
Jun 7, 2016
Description
Search/Exam
Jun 7, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 7, 2016
Request for further processing
Search/Exam
Apr 1, 2016
Dec 16, 2015
Dec 10, 2015
(Electronic) Receipt
Search/Exam
Dec 10, 2015
Letter accompanying subsequently filed items
Search/Exam
Dec 10, 2015
Aug 19, 2015
Annex to a communication
Search/Exam
Aug 19, 2015
Annex to a communication
Search/Exam
Aug 19, 2015
Annex to a communication
Search/Exam
Aug 19, 2015
Annex to the communication
Search/Exam
Aug 19, 2015
Communication from the Examining Division
Search/Exam
Oct 27, 2014
Oct 27, 2014
Oct 20, 2014
Non-patent literature filed by a third party
Search/Exam
Oct 20, 2014
Non-patent literature filed by a third party
Search/Exam
Oct 20, 2014
Observations by third parties
Search/Exam
Sep 17, 2014
(Electronic) Receipt
Search/Exam
Sep 17, 2014
Amended claims with annotations
Search/Exam
Sep 17, 2014
Amended description with annotations
Search/Exam
Sep 17, 2014
Annex
Search/Exam
Sep 17, 2014
Claims
Search/Exam
Sep 17, 2014
Description
Search/Exam
Sep 17, 2014
Letter accompanying subsequently filed items
Search/Exam
Sep 17, 2014
Jul 8, 2014
Jul 3, 2014
(Electronic) Receipt
Search/Exam
Jul 3, 2014
Letter accompanying subsequently filed items
Search/Exam
Jul 3, 2014
Mar 7, 2014
Annex to the communication
Search/Exam
Mar 7, 2014
Communication from the Examining Division
Search/Exam
Mar 3, 2014
Examination started
Search/Exam
Jun 25, 2012
(Electronic) Receipt
Search/Exam
Jun 25, 2012
Letter accompanying subsequently filed items
Search/Exam
Jun 25, 2012
Letter concerning fees and payments
Search/Exam
Jun 22, 2012
(Electronic) Receipt
Search/Exam
Jun 22, 2012
Jun 22, 2012
Amended claims with annotations
Search/Exam
Jun 22, 2012
Amendments received before examination
Search/Exam
Jun 22, 2012
Letter accompanying subsequently filed items
Search/Exam
Jun 22, 2012
Feb 15, 2012
Jan 27, 2012
Jan 18, 2012
Dec 15, 2011
Nov 22, 2011
Nov 2, 2011
(Electronic) Receipt
Search/Exam
Nov 2, 2011
Nov 2, 2011
Amended claims with annotations
Search/Exam
Nov 2, 2011
Nov 2, 2011
Amendments received before examination
Search/Exam
Nov 2, 2011
Request for entry into the European phase
Search/Exam
Sep 16, 2011
Information on entry into European phase
Search/Exam
Feb 7, 2011
Notification of the recording of a change
Search/Exam
Dec 3, 2010
Nov 11, 2010
Copy of the international search report
Search/Exam
Nov 11, 2010
Published international application - A1
Search/Exam
Mar 19, 2010
Mar 19, 2010
Mar 19, 2010
Jan 12, 2010
Abstract
PCTISA
Jan 12, 2010
Claims
PCTISA
Jan 12, 2010
Description
PCTISA
Jan 12, 2010
Drawings
PCTISA