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The patent EP3350527 was granted to Outotec Finland on Jun 19, 2019. The application was filed on Sep 14, 2016 under application number EP16775756A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| REFRACTORY | Mar 19, 2020 | PACHER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE2429199 |
| INTERNATIONAL-SEARCH-REPORT | EP0079290 |
| INTERNATIONAL-SEARCH-REPORT | EP2682483 |
| INTERNATIONAL-SEARCH-REPORT | WO2015046027 |
| INTERNATIONAL-SEARCH-REPORT | WO2015070316 |
| OPPOSITION | DE2429199 |
| OPPOSITION | DE2753161 |
| OPPOSITION | EP0079290 |
| OPPOSITION | EP2682483 |
| OPPOSITION | US3742763 |
| OPPOSITION | WO2015046027 |
| OPPOSITION | WO2015070316 |
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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Jan 17, 2025
Refund of fees
Search/Exam
Jan 16, 2025
Jan 16, 2025
Jan 14, 2025
Jan 14, 2025
Jan 9, 2025
(Electronic) Receipt
Appeal
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Withdrawal of an appeal
Appeal
Dec 23, 2024
Dec 19, 2024
Dec 18, 2024
(Electronic) Receipt
Appeal
Dec 18, 2024
Dec 18, 2024
Dec 13, 2024
(Electronic) Receipt
Appeal
Dec 13, 2024
Dec 13, 2024
Dec 10, 2024
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Mar 3, 2024
Sep 5, 2023
Aug 31, 2023
(Electronic) Receipt
Appeal
Aug 31, 2023
Aug 31, 2023
Aug 14, 2023
Aug 9, 2023
(Electronic) Receipt
Appeal
Aug 9, 2023
Aug 9, 2023
Aug 9, 2023
Aug 9, 2023
Reply to appeal
Appeal
Apr 12, 2023
Apr 4, 2023
(Electronic) Receipt
Appeal
Apr 4, 2023
Apr 4, 2023
Feb 10, 2023
Feb 10, 2023
Feb 7, 2023
(Electronic) Receipt
Appeal
Feb 7, 2023
Feb 7, 2023
Notice of appeal
Appeal
Jan 12, 2023
Jan 12, 2023
Jan 12, 2023
Dec 9, 2022
Dec 9, 2022
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Means of redress
OPPO
Dec 8, 2022
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Nov 3, 2020
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Oct 12, 2020
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Abstract
OPPO
Oct 7, 2020
Oct 7, 2020
Description
OPPO
Oct 7, 2020
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Jun 18, 2020
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Oct 10, 2019
Observations by third parties
Search/Exam
Jul 1, 2019
May 23, 2019
Decision to grant a European patent
Search/Exam
May 9, 2019
(Electronic) Receipt
Search/Exam
May 9, 2019
French translation of claims
Search/Exam
May 9, 2019
German translation of the claims
Search/Exam
May 9, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 31, 2019
Jan 31, 2019
Jan 31, 2019
Intention to grant (signatures)
Search/Exam
Jan 31, 2019
Text intended for grant (clean copy)
Search/Exam
Jan 31, 2019
Jan 7, 2019
Examination started
Search/Exam
Jul 5, 2018
(Electronic) Receipt
Search/Exam
Jul 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 5, 2018
Reply to Written Opinion prepared by the EPO
Search/Exam
Jun 27, 2018
Apr 25, 2018
Apr 23, 2018
Communication to designated inventor
Search/Exam
Apr 23, 2018
Communication to designated inventor
Search/Exam
Apr 23, 2018
Communication to designated inventor
Search/Exam
Apr 23, 2018
Communication to designated inventor
Search/Exam
Apr 23, 2018
Communication to designated inventor
Search/Exam
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Feb 14, 2018
(Electronic) Receipt
Search/Exam
Feb 14, 2018
Priority search results
Search/Exam
Feb 14, 2018
Request for entry into the European phase
Search/Exam
Jan 26, 2018
Information on entry into European phase
Search/Exam
Oct 6, 2017
Oct 6, 2017
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Sep 8, 2017
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Aug 31, 2017
Written opinion
PCT2
Aug 31, 2017
Aug 31, 2017
Aug 8, 2017
Notification of election of EPO
Search/Exam
Jul 28, 2017
Jul 28, 2017
Jun 20, 2017
Jun 15, 2017
Jun 15, 2017
PCT demand form
PCT2
Jun 15, 2017
Jun 15, 2017
Jun 15, 2017
Apr 10, 2017
Mar 23, 2017
Copy of the international search report
Search/Exam
Mar 23, 2017
Published international application - A1
Search/Exam
Dec 22, 2016
Dec 16, 2016
Annex
PCTISA
Dec 16, 2016
ISR: cited documents
PCTISA
Dec 15, 2016
Dec 15, 2016
Dec 15, 2016
Oct 18, 2016
Sep 28, 2016
Abstract
PCTISA
Sep 28, 2016
Annex
PCTISA
Sep 28, 2016
Claims
PCTISA
Sep 28, 2016
Description
PCTISA
Sep 28, 2016
Drawings
PCTISA
Sep 28, 2016