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The patent EP3419953 was granted to Yara ASA on May 20, 2020. The application was filed on Feb 24, 2017 under application number EP17710143A. 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 |
|---|---|---|---|
| SASOL GERMANY | Feb 22, 2021 | MULLER SCHUPFNER & PARTNER PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB MUC | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0869933 |
| DESCRIPTION | US2014090432 |
| DESCRIPTION | US2015143860 |
| DESCRIPTION | US4530714 |
| DESCRIPTION | US5353365 |
| DESCRIPTION | WO2015161195 |
| DESCRIPTION | WO9722568 |
| INTERNATIONAL-SEARCH-REPORT | US2010206031 |
| INTERNATIONAL-SEARCH-REPORT | US2014090432 |
| INTERNATIONAL-SEARCH-REPORT | US2015143860 |
| INTERNATIONAL-SEARCH-REPORT | WO2014036278 |
| INTERNATIONAL-SEARCH-REPORT | WO2015161195 |
| INTERNATIONAL-SEARCH-REPORT | WO9722568 |
| OPPOSITION | EP3210959 |
| OPPOSITION | SK6562Y |
| OPPOSITION | US2015143860 |
| OPPOSITION | WO2008000196 |
| OPPOSITION | WO2014028767 |
| OPPOSITION | WO2017070048 |
| OPPOSITION | WO2018154053 |
| OPPOSITION | WO9722568 |
| OTHER | US2015143860 |
| OTHER | WO2018154053 |
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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OPPO
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Decision to grant a European patent
Search/Exam
Apr 8, 2020
Apr 2, 2020
(Electronic) Receipt
Search/Exam
Apr 2, 2020
Filing of the translations of the claims
Search/Exam
Apr 2, 2020
French translation of claims
Search/Exam
Apr 2, 2020
German translation of the claims
Search/Exam
Apr 2, 2020
Letter accompanying subsequently filed items
Search/Exam
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(Electronic) Receipt
Search/Exam
Jan 23, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 23, 2020
Observations by third parties
Search/Exam
Jan 23, 2020
Patent document filed by a Third party
Search/Exam
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Intention to grant (signatures)
Search/Exam
Dec 6, 2019
Text intended for grant (clean copy)
Search/Exam
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Examination started
Search/Exam
Dec 5, 2018
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Priority search results copy provided by EPO
Search/Exam
Sep 28, 2018
Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Sep 28, 2018
Communication to designated inventor
Search/Exam
Sep 17, 2018
Notice on debiting of fees
Search/Exam
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(Electronic) Receipt
Search/Exam
Aug 17, 2018
Request for entry into the European phase
Search/Exam
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Information on entry into European phase
Search/Exam
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Notification of election of EPO
Search/Exam
Jan 24, 2018
Written opinion
PCT2
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PCT demand form
PCT2
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Copy of the international search report
Search/Exam
Aug 31, 2017
Published international application - A1
Search/Exam
Aug 23, 2017
(Electronic) Receipt
PCTRO
May 31, 2017
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(Electronic) Receipt
PCTRO
Feb 24, 2017
Abstract
PCTRO
Feb 24, 2017
Claims
PCTRO
Feb 24, 2017
Description
PCTRO
Feb 24, 2017
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Drawings
PCTRO
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