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The patent EP3524052 was granted to Rotam Agrochem on Mar 17, 2021. The application was filed on Feb 9, 2018 under application number EP18156145A. 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 |
|---|---|---|---|
| HGF | Dec 16, 2021 | HGF | ADMISSIBLE |
| ADAMA AGRICULTURAL SOLUTIONS | Dec 15, 2021 | MAIWALD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2009000407 |
| EXAMINATION | US8637534 |
| EXAMINATION | WO2015139564 |
| OPPOSITION | CN104621130 |
| OPPOSITION | CN106889091 |
| OPPOSITION | US8637534 |
| OPPOSITION | WO2009000407 |
| OPPOSITION | WO2012021214 |
| OPPOSITION | WO2014082950 |
| OPPOSITION | WO2015139564 |
| SEARCH | CN104621130 |
| SEARCH | CN106889091 |
| SEARCH | WO2012021214 |
| SEARCH | WO2014082950 |
| SEARCH | WO2015062358 |
| SEARCH | WO9847367 |
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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Authorisation
OPPO
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Mar 29, 2021
Feb 18, 2021
Decision to grant a European patent
Search/Exam
Jan 28, 2021
Jan 21, 2021
(Electronic) Receipt
Search/Exam
Jan 21, 2021
Filing of the translations of the claims
Search/Exam
Jan 21, 2021
Filing of the translations of the claims
Search/Exam
Jan 21, 2021
French translation of claims
Search/Exam
Jan 21, 2021
French translation of claims
Search/Exam
Jan 21, 2021
German translation of the claims
Search/Exam
Jan 21, 2021
German translation of the claims
Search/Exam
Jan 21, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 21, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 21, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 13, 2020
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Intention to grant (signatures)
Search/Exam
Nov 13, 2020
Text intended for grant (clean copy)
Search/Exam
Nov 13, 2020
Sep 16, 2020
Sep 2, 2020
Observations by third parties
Search/Exam
Sep 2, 2020
Observations by third parties
Search/Exam
Aug 31, 2020
Examination started
Search/Exam
Feb 10, 2020
(Electronic) Receipt
Search/Exam
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
Amended claims with annotations
Search/Exam
Feb 10, 2020
Amended claims with annotations
Search/Exam
Feb 10, 2020
Amendments received before examination
Search/Exam
Feb 10, 2020
Amendments received before examination
Search/Exam
Feb 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 20, 2019
Jul 17, 2019
Notification of forthcoming publication
Search/Exam
Apr 24, 2018
Apr 24, 2018
European search opinion
Search/Exam
Apr 24, 2018
European search report
Search/Exam
Apr 24, 2018
Information on Search Strategy
Search/Exam
Apr 10, 2018
Search started
Search/Exam
Apr 5, 2018
Communication to designated inventor
Search/Exam
Mar 27, 2018
Feb 9, 2018
Abstract
Search/Exam
Feb 9, 2018
Feb 9, 2018
Claims
Search/Exam
Feb 9, 2018
Description
Search/Exam
Feb 9, 2018
Designation of inventor
Search/Exam
Feb 9, 2018
Matter concerning the application
Search/Exam
Feb 9, 2018
Request for grant of a European patent
Search/Exam