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The patent EP3269832 was granted to Changsha Research Institute OF Mining And Metallurgy on Oct 19, 2022. The application was filed on Mar 9, 2016 under application number EP16761102A. 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 | Jul 2, 2020 | 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 |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CN103924088 |
| INTERNATIONAL-SEARCH-REPORT | CN104388684 |
| INTERNATIONAL-SEARCH-REPORT | CN104674013 |
| INTERNATIONAL-SEARCH-REPORT | CN104789778 |
| INTERNATIONAL-SEARCH-REPORT | JP2012102350 |
| INTERNATIONAL-SEARCH-REPORT | JP2013091826 |
| INTERNATIONAL-SEARCH-REPORT | WO2013080266 |
| OPPOSITION | CN103924088 |
| SEARCH | JP2012193424 |
| SEARCH | JP2013237907 |
| SEARCH | US2012240729 |
| SEARCH | US2014069234 |
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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Sep 22, 2022
Sep 22, 2022
Sep 16, 2022
Sep 14, 2022
Sep 14, 2022
Sep 14, 2022
Sep 14, 2022
Jun 22, 2022
Jun 22, 2022
Jun 10, 2022
May 6, 2022
Refund of fees
Search/Exam
Apr 5, 2022
Apr 5, 2022
Mar 30, 2022
Mar 29, 2022
(Electronic) Receipt
Appeal
Mar 29, 2022
Mar 29, 2022
Withdrawal of an appeal
Appeal
Feb 28, 2022
Refund of fees
Appeal
Feb 22, 2022
Feb 22, 2022
Feb 17, 2022
(Electronic) Receipt
Appeal
Feb 17, 2022
Feb 17, 2022
Notice of appeal
Appeal
Feb 8, 2022
Feb 8, 2022
Feb 8, 2022
Feb 7, 2022
Feb 3, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Dec 7, 2021
Dec 7, 2021
Dec 7, 2021
Dec 7, 2021
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Dec 7, 2021
Dec 7, 2021
Dec 7, 2021
Means of redress
OPPO
Dec 7, 2021
Dec 7, 2021
Dec 7, 2021
Dec 7, 2021
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Dec 7, 2021
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Dec 7, 2021
Nov 11, 2021
Oct 27, 2021
Oct 22, 2021
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Oct 8, 2021
Oct 4, 2021
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Sep 29, 2021
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Sep 29, 2021
Sep 21, 2021
Sep 14, 2021
Sep 10, 2021
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Jul 9, 2021
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Feb 10, 2021
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Feb 10, 2021
Feb 8, 2021
Feb 8, 2021
Feb 8, 2021
Feb 8, 2021
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Feb 8, 2021
Dec 3, 2020
Dec 3, 2020
Nov 30, 2020
Nov 25, 2020
Nov 25, 2020
Authorisation
OPPO
Nov 25, 2020
Nov 25, 2020
Nov 25, 2020
Jul 17, 2020
Jul 17, 2020
Jul 10, 2020
Jul 2, 2020
Jul 2, 2020
Jul 2, 2020
Jul 2, 2020
Jul 2, 2020
Jul 2, 2020
Jul 2, 2020
Oct 14, 2019
Sep 5, 2019
Decision to grant a European patent
Search/Exam
Aug 21, 2019
(Electronic) Receipt
Search/Exam
Aug 21, 2019
Filing of the translations of the claims
Search/Exam
Aug 21, 2019
French translation of claims
Search/Exam
Aug 21, 2019
German translation of the claims
Search/Exam
Aug 21, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 29, 2019
Apr 29, 2019
Apr 29, 2019
Intention to grant (signatures)
Search/Exam
Apr 29, 2019
Text intended for grant (clean copy)
Search/Exam
Apr 29, 2019
Apr 1, 2019
Examination started
Search/Exam
Aug 20, 2018
(Electronic) Receipt
Search/Exam
Aug 20, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 20, 2018
Matter concerning the application
Search/Exam
Aug 20, 2018
Priority search results
Search/Exam
Aug 20, 2018
Priority search results
Search/Exam
Aug 20, 2018
Jun 27, 2018
Jun 6, 2018
(Electronic) Receipt
Search/Exam
Jun 6, 2018
Jun 6, 2018
Amended description with annotations
Search/Exam
Jun 6, 2018
Amendments received before examination
Search/Exam
Jun 6, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 20, 2018
Mar 1, 2018
Mar 1, 2018
European search opinion
Search/Exam
Mar 1, 2018
Information on Search Strategy
Search/Exam
Mar 1, 2018
Supplementary European search report
Search/Exam
Feb 13, 2018
Search started
Search/Exam
Dec 20, 2017
Notification of forthcoming publication
Search/Exam
Oct 24, 2017
Communication to designated inventor
Search/Exam
Oct 24, 2017
Communication to designated inventor
Search/Exam
Oct 24, 2017
Communication to designated inventor
Search/Exam
Oct 24, 2017
Communication to designated inventor
Search/Exam
Oct 24, 2017
Communication to designated inventor
Search/Exam
Sep 29, 2017
(Electronic) Receipt
Search/Exam
Sep 29, 2017
Abstract
Search/Exam
Sep 29, 2017
Sep 29, 2017
Amended claims with annotations
Search/Exam
Sep 29, 2017
Amendments received before examination
Search/Exam
Sep 29, 2017
Claims
Search/Exam
Sep 29, 2017
Description
Search/Exam
Sep 29, 2017
Request for entry into the European phase
Search/Exam
Sep 29, 2017
Submission concerning representation
Search/Exam
Sep 25, 2017
Sep 25, 2017
Jul 19, 2017
Information on entry into European phase
Search/Exam
Oct 6, 2016
Oct 6, 2016
Sep 15, 2016
Copy of the international search report
Search/Exam
Sep 15, 2016
Sep 15, 2016
International publication pamphlet
Search/Exam