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The patent EP3725426 was granted to Metso Brasil Industria E Comercio Ltda on Jun 21, 2023. The application was filed on Dec 12, 2018 under application number EP18888894A. 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 |
|---|---|---|---|
| HAVER & BOECKER LATINOAMERICANA MAQUINAS LIMITADA | Mar 11, 2024 | BSB PATENTANWALTE SCHUTTE & ENGELEN PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | BRPI0602585 |
| DESCRIPTION | BRPI1105435 |
| INTERNATIONAL-SEARCH-REPORT | US4197194 |
| INTERNATIONAL-SEARCH-REPORT | US4255254 |
| INTERNATIONAL-SEARCH-REPORT | US4340469 |
| INTERNATIONAL-SEARCH-REPORT | US4632751 |
| INTERNATIONAL-SEARCH-REPORT | US5051171 |
| INTERNATIONAL-SEARCH-REPORT | US6349834 |
| OPPOSITION | CN1501845 |
| OPPOSITION | CN201040279Y |
| OPPOSITION | CN201070620Y |
| OPPOSITION | CN201669210U |
| OPPOSITION | CN201735509U |
| OPPOSITION | CN203991284U |
| OPPOSITION | DE202014008855U |
| OPPOSITION | DE2630458 |
| OPPOSITION | DE7811967U |
| OPPOSITION | EP2176500 |
| OPPOSITION | US2312477 |
| OPPOSITION | US4197194 |
| OPPOSITION | US4242366 |
| OPPOSITION | US4255257 |
| OPPOSITION | US4340469 |
| OPPOSITION | US4632751 |
| OPPOSITION | US5051171 |
| OPPOSITION | US6349834 |
| OPPOSITION | WO2009012922 |
| SEARCH | CN201669210U |
| SEARCH | US2312477 |
| SEARCH | US4272366 |
| SEARCH | US4632751 |
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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Dec 23, 2025
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Means of redress
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Jul 4, 2023
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Decision to grant a European patent
Search/Exam
May 3, 2023
(Electronic) Receipt
Search/Exam
May 3, 2023
Filing of the translations of the claims
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May 3, 2023
French translation of claims
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May 3, 2023
German translation of the claims
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Intention to grant (signatures)
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Jan 19, 2023
Text intended for grant (clean copy)
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Jan 19, 2023
Dec 23, 2022
Annex to the communication
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Dec 23, 2022
Consultation by telephone/in person
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Dec 23, 2022
Dec 8, 2022
Examination started
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Jun 9, 2022
(Electronic) Receipt
Search/Exam
Jun 9, 2022
Letter accompanying subsequently filed items
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Jun 9, 2022
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(Electronic) Receipt
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Mar 31, 2022
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Amended description with annotations
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Mar 31, 2022
Amendments received before examination
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Mar 31, 2022
Letter accompanying subsequently filed items
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Mar 10, 2022
Letter which had not been notified
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Sep 21, 2021
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European search opinion
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Sep 3, 2021
Information on Search Strategy
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Sep 3, 2021
Supplementary European search report
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Jul 23, 2021
Search started
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Sep 23, 2020
Notification of forthcoming publication
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Jul 21, 2020
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Jun 29, 2020
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Jun 12, 2020
(Electronic) Receipt
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Jun 12, 2020
Abstract
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Jun 12, 2020
Abstract
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Jun 12, 2020
Abstract
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Jun 12, 2020
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Amended claims with annotations
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Jun 12, 2020
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Amended description with annotations
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Jun 12, 2020
Claims
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Jun 12, 2020
Description
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Jun 12, 2020
Drawings
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Jun 12, 2020
Request for entry into the European phase
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Apr 24, 2020
Information on entry into European phase
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Jul 9, 2019
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Copy of the international search report
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Jun 20, 2019
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International publication pamphlet
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