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The patent EP3328546 was granted to Metso Finland on Apr 10, 2024. The application was filed on Jul 27, 2016 under application number EP16829910A. 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 |
|---|---|---|---|
| MINERAL PROCESS CONSULTING | Jan 8, 2025 | KELLER SCHNEIDER PATENT UND MARKENANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | CN203816714U |
| INTERNATIONAL-SEARCH-REPORT | DE202014102338U |
| INTERNATIONAL-SEARCH-REPORT | GB1000040 |
| INTERNATIONAL-SEARCH-REPORT | JP2001046899 |
| INTERNATIONAL-SEARCH-REPORT | US2010170972 |
| INTERNATIONAL-SEARCH-REPORT | US2013233953 |
| INTERNATIONAL-SEARCH-REPORT | US3533566 |
| INTERNATIONAL-SEARCH-REPORT | US4174074 |
| OPPOSITION | JP2008104910 |
| OPPOSITION | US2004124296 |
| OPPOSITION | US2008245914 |
| OPPOSITION | US4174074 |
| OPPOSITION | US5379952 |
| OPPOSITION | US6158680 |
| OPPOSITION | WO0151212 |
| OPPOSITION | WO2014074126 |
| OPPOSITION | WO9425163 |
| SEARCH | DE202008006745U |
| SEARCH | JP3945717B |
| SEARCH | US3307792 |
| SEARCH | US6158680 |
| SEARCH | WO2013167851 |
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 23, 2024
Mar 14, 2024
Decision to grant a European patent
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Mar 5, 2024
Feb 29, 2024
(Electronic) Receipt
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Feb 29, 2024
Annexes in respect of a client data request
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Feb 29, 2024
Filing of the translations of the claims
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Feb 29, 2024
French translation of claims
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Feb 29, 2024
German translation of the claims
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Feb 29, 2024
Nov 3, 2023
Nov 3, 2023
Nov 3, 2023
Nov 3, 2023
Intention to grant (signatures)
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Nov 3, 2023
Text intended for grant (clean copy)
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Nov 3, 2023
Mar 30, 2023
(Electronic) Receipt
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Mar 30, 2023
Amended claims with annotations
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Mar 30, 2023
Amended description with annotations
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Mar 30, 2023
Claims
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Mar 30, 2023
Description
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Mar 30, 2023
Letter accompanying subsequently filed items
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Mar 30, 2023
Mar 15, 2023
Annex to the communication
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Mar 15, 2023
Communication from the Examining Division
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Jan 9, 2023
(Electronic) Receipt
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Jan 9, 2023
Amended claims with annotations
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Jan 9, 2023
Amended claims with annotations
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Jan 9, 2023
Amended description with annotations
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Jan 9, 2023
Claims
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Jan 9, 2023
Claims
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Jan 9, 2023
Description
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Jan 9, 2023
Letter accompanying subsequently filed items
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Jan 9, 2023
Jan 3, 2023
Dec 12, 2022
Letter accompanying subsequently filed items
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Dec 12, 2022
Dec 2, 2022
Annex to the communication
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Dec 2, 2022
Communication from the Examining Division
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Oct 13, 2022
Sep 26, 2022
Sep 21, 2022
(Electronic) Receipt
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Sep 21, 2022
Amended claims with annotations
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Sep 21, 2022
Amended claims with annotations
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Sep 21, 2022
Claims
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Sep 21, 2022
Claims
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Sep 21, 2022
Letter accompanying subsequently filed items
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Sep 21, 2022
Sep 16, 2022
Annexes in respect of a client data request
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Sep 16, 2022
Authorisation
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Sep 16, 2022
Letter accompanying subsequently filed items
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Sep 16, 2022
Jul 7, 2022
Annex to the communication
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Jul 7, 2022
Communication from the Examining Division
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May 5, 2022
(Electronic) Receipt
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May 5, 2022
Letter accompanying subsequently filed items
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Nov 9, 2021
Nov 9, 2021
Nov 19, 2020
(Electronic) Receipt
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Nov 19, 2020
Letter accompanying subsequently filed items
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Nov 19, 2020
May 14, 2020
Annex to a communication
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May 14, 2020
Annex to the communication
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May 14, 2020
Communication from the Examining Division
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May 6, 2020
Examination started
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Sep 20, 2019
(Electronic) Receipt
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Sep 20, 2019
Letter accompanying subsequently filed items
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Sep 20, 2019
Sep 5, 2019
Aug 23, 2019
(Electronic) Receipt
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Aug 23, 2019
Aug 23, 2019
Amended claims with annotations
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Aug 23, 2019
Amendments received before examination
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Aug 23, 2019
Letter accompanying subsequently filed items
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Feb 19, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
European search opinion
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Feb 1, 2019
Information on Search Strategy
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Feb 1, 2019
Supplementary European search report
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Jan 23, 2019
Search started
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May 9, 2018
Mar 9, 2018
Mar 7, 2018
Communication to designated inventor
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Mar 7, 2018
Communication to designated inventor
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Mar 7, 2018
Communication to designated inventor
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Feb 23, 2018
(Electronic) Receipt
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Feb 23, 2018
Feb 23, 2018
Amended claims with annotations
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Feb 23, 2018
Request for entry into the European phase
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Feb 5, 2018
Feb 5, 2018
Dec 6, 2017
Information on entry into European phase
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Aug 1, 2017
Notification of election of EPO
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Apr 3, 2017
Notification of the recording of a change
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Mar 2, 2017
Notification of the recording of a change
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Feb 23, 2017
Feb 2, 2017
Copy of the international search report
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Feb 2, 2017
Published international application - A1
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