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The patent EP3468339 was granted to Basf on Apr 13, 2022. The application was filed on Jun 8, 2017 under application number EP17727622A. 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 |
|---|---|---|---|
| YARA ASA | Dec 28, 2022 | AWA SWEDEN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP2586286 |
| INTERNATIONAL-SEARCH-REPORT | EP2764764 |
| INTERNATIONAL-SEARCH-REPORT | US2012109614 |
| INTERNATIONAL-SEARCH-REPORT | WO2016025848 |
| OPPOSITION | DE19913971 |
| OPPOSITION | EP2586286 |
| OPPOSITION | EP2764764 |
| OPPOSITION | US2012101634 |
| OPPOSITION | US2012109614 |
| OPPOSITION | US2013338931 |
| OPPOSITION | US2016330906 |
| OPPOSITION | WO2016025848 |
| OPPOSITION | WO2017060168 |
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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Aug 29, 2025
Aug 29, 2025
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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Appeal
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Appeal
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Appeal
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Appeal
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Jun 6, 2025
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Appeal
Jun 6, 2025
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Appeal
Jun 6, 2025
Claims
Appeal
Jun 6, 2025
Claims
Appeal
Jun 6, 2025
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Reply to appeal
Appeal
Feb 7, 2025
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(Electronic) Receipt
Appeal
Feb 3, 2025
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Dec 5, 2024
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Nov 26, 2024
(Electronic) Receipt
Appeal
Nov 26, 2024
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Notice of appeal
Appeal
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Means of redress
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Decision to grant a European patent
Search/Exam
Mar 4, 2022
(Electronic) Receipt
Search/Exam
Mar 4, 2022
English translation of the claims
Search/Exam
Mar 4, 2022
Filing of the translations of the claims
Search/Exam
Mar 4, 2022
French translation of claims
Search/Exam
Oct 29, 2021
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Intention to grant (signatures)
Search/Exam
Oct 29, 2021
Text intended for grant (clean copy)
Search/Exam
Oct 29, 2021
Oct 18, 2021
Examination started
Search/Exam
Jul 31, 2019
(Electronic) Receipt
Search/Exam
Jul 31, 2019
Jul 31, 2019
Amended claims with annotations
Search/Exam
Jul 31, 2019
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Amended description with annotations
Search/Exam
Jul 31, 2019
Amendments received before examination
Search/Exam
Jul 31, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 16, 2019
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Communication to designated inventor
Search/Exam
Jan 8, 2019
Dec 5, 2018
(Electronic) Receipt
Search/Exam
Dec 5, 2018
Request for entry into the European phase
Search/Exam
Nov 29, 2018
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Notification of the recording of a change
Search/Exam
Nov 29, 2018
Notification of the recording of a change
Search/Exam
Oct 19, 2018
Information on entry into European phase
Search/Exam
Jan 3, 2018
Dec 14, 2017
Copy of the international search report
Search/Exam
Dec 14, 2017
Copy of the international search report
Search/Exam
Dec 14, 2017
Published international application - A1
Search/Exam
Nov 30, 2017
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ISR: cited documents
PCTISA
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(Electronic) Receipt
PCTRO
Jun 8, 2017
Abstract
PCTRO
Jun 8, 2017
Claims
PCTRO
Jun 8, 2017
Description
PCTRO
Jun 8, 2017
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