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The patent EP4043705 was granted to Johnson Matthey Public on Dec 6, 2023. The application was filed on Feb 9, 2022 under application number EP22155863A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 | Sep 6, 2024 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | GB20190011704 |
| DESCRIPTION | GB2002483 |
| DESCRIPTION | US2019048771 |
| DESCRIPTION | WO2011151711 |
| EXAMINATION | EP4013954 |
| OTHER | WO2021028691 |
| SEARCH | EP2371451 |
| SEARCH | EP3869018 |
| SEARCH | WO2019215208 |
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.
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Annexes in respect of a client data request
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Feb 19, 2024
(Electronic) Receipt
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Nov 9, 2023
Decision to grant a European patent
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(Electronic) Receipt
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Oct 25, 2023
Filing of the translations of the claims
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Oct 25, 2023
French translation of claims
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German translation of the claims
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Oct 25, 2023
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Jun 29, 2023
Text intended for grant (clean copy)
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Jun 29, 2023
May 4, 2023
Examination started
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Feb 16, 2023
Feb 9, 2023
Observations by third parties
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Feb 9, 2023
Patent document filed by a Third party
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Jan 16, 2023
(Electronic) Receipt
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Jan 16, 2023
Letter accompanying subsequently filed items
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Jan 16, 2023
Matter concerning the application
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Notification of forthcoming publication
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European search opinion
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Jul 6, 2022
European search report
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Jul 6, 2022
Information on Search Strategy
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Abstract
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Feb 9, 2022
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Claims
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Feb 9, 2022
Description
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Feb 9, 2022
Designation of inventor
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Feb 9, 2022
Drawings
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Feb 9, 2022
Request for grant of a European patent
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