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The patent EP3754543 was granted to Basf on Apr 6, 2022. The application was filed on May 14, 2020 under application number EP20174784A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| BAYER | Dec 21, 2022 | BIP PATENTS | ADMISSIBLE |
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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Mar 11, 2022
Decision to grant a European patent
Search/Exam
Feb 24, 2022
(Electronic) Receipt
Search/Exam
Feb 24, 2022
Filing of the translations of the claims
Search/Exam
Feb 24, 2022
French translation of claims
Search/Exam
Feb 24, 2022
German translation of the claims
Search/Exam
Nov 3, 2021
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Intention to grant (signatures)
Search/Exam
Nov 3, 2021
Text intended for grant (clean copy)
Search/Exam
Nov 3, 2021
Oct 6, 2021
(Electronic) Receipt
Search/Exam
Oct 6, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 6, 2021
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(Electronic) Receipt
Search/Exam
Sep 2, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 2, 2021
Jun 15, 2021
(Electronic) Receipt
Search/Exam
Jun 15, 2021
Letter accompanying subsequently filed items
Search/Exam
May 27, 2021
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Intention to grant (signatures)
Search/Exam
May 27, 2021
Text intended for grant (clean copy)
Search/Exam
May 27, 2021
May 10, 2021
Examination started
Search/Exam
Jan 13, 2021
Dec 8, 2020
Refund of fees
Search/Exam
Nov 25, 2020
Notification of forthcoming publication
Search/Exam
Nov 19, 2020
Nov 19, 2020
European search report
Search/Exam
Nov 19, 2020
Information on Search Strategy
Search/Exam
Nov 14, 2020
Priority search results copy provided by EPO
Search/Exam
Oct 1, 2020
Search started
Search/Exam
Jul 7, 2020
Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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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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Jul 7, 2020
Communication to designated inventor
Search/Exam
Jul 7, 2020
Communication to designated inventor
Search/Exam
Jul 7, 2020
Communication to designated inventor
Search/Exam
Jul 7, 2020
Communication to designated inventor
Search/Exam
Jul 7, 2020
Communication to designated inventor
Search/Exam
Jun 10, 2020
Jun 5, 2020
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Priority search results copy provided by EPO
Search/Exam
May 14, 2020
Abstract
Search/Exam
May 14, 2020
May 14, 2020
Claims
Search/Exam
May 14, 2020
Description
Search/Exam
May 14, 2020
Designation of inventor
Search/Exam
May 14, 2020
Drawings
Search/Exam
May 14, 2020
Priority search results
Search/Exam
May 14, 2020
Request for grant of a European patent
Search/Exam