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The patent EP3357334 was granted to Nippon Soda on May 26, 2021. The application was filed on Sep 28, 2016 under application number EP16851616A. 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 |
|---|---|---|---|
| SYNGENTA CROP PROTECTION | Feb 16, 2022 | SYNGENTA | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2012051871 |
| INTERNATIONAL-SEARCH-REPORT | JPH04312506 |
| INTERNATIONAL-SEARCH-REPORT | JPS60104002 |
| INTERNATIONAL-SEARCH-REPORT | WO2006013972 |
| INTERNATIONAL-SEARCH-REPORT | WO2015029908 |
| OPPOSITION | CN105454242 |
| OPPOSITION | EP1774853 |
| OPPOSITION | GB2149665 |
| OPPOSITION | IN284MUM2014 |
| OPPOSITION | JP2012051871 |
| OPPOSITION | JP2021051871 |
| OPPOSITION | US2001008873 |
| OPPOSITION | US2006270559 |
| OPPOSITION | US2012128750 |
| OPPOSITION | US5238904 |
| OPPOSITION | WO2015029908 |
| OPPOSITION | WO2015124661 |
| SEARCH | EP1774853 |
| SEARCH | GB2149665 |
| SEARCH | JP2012051871 |
| SEARCH | US2001008873 |
| SEARCH | US2006270559 |
| SEARCH | US2012128750 |
| SEARCH | WO2015029908 |
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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OPPO
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Refund of fees
OPPO
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Jun 9, 2021
Apr 30, 2021
Decision to grant a European patent
Search/Exam
Apr 15, 2021
(Electronic) Receipt
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Apr 15, 2021
Filing of the translations of the claims
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Apr 15, 2021
French translation of claims
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Apr 15, 2021
German translation of the claims
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Apr 15, 2021
Letter accompanying subsequently filed items
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Feb 12, 2021
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Intention to grant (signatures)
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Feb 12, 2021
Text intended for grant (clean copy)
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Feb 12, 2021
Dec 3, 2020
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Nov 4, 2020
(Electronic) Receipt
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Nov 4, 2020
Amended claims with annotations
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Nov 4, 2020
Amended claims with annotations
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Nov 4, 2020
Amended claims with annotations
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Nov 4, 2020
Amended claims with annotations
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Nov 4, 2020
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Nov 4, 2020
Claims
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Claims
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Nov 4, 2020
Letter accompanying subsequently filed items
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Nov 4, 2020
Jul 16, 2020
Advice of delivery
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Jul 16, 2020
Annex to the communication
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Jul 16, 2020
Summons to attend oral proceedings
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Mar 31, 2020
(Electronic) Receipt
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Mar 31, 2020
Amended claims with annotations
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Mar 31, 2020
Amended description with annotations
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Mar 31, 2020
Claims
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Mar 31, 2020
Description
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Mar 31, 2020
Letter accompanying subsequently filed items
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Mar 31, 2020
Mar 19, 2020
Document concerning representation
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Dec 19, 2019
Annex to the communication
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Dec 19, 2019
Communication from the Examining Division
Search/Exam
Dec 16, 2019
Examination started
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Jul 23, 2019
(Electronic) Receipt
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Jul 23, 2019
Jul 23, 2019
Amended claims with annotations
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Jul 23, 2019
Amendments received before examination
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Jul 23, 2019
Letter accompanying subsequently filed items
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Mar 15, 2019
Feb 26, 2019
Feb 26, 2019
European search opinion
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Feb 26, 2019
Information on Search Strategy
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Feb 26, 2019
Supplementary European search report
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Feb 11, 2019
Search started
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Dec 20, 2018
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(Electronic) Receipt
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Aug 3, 2018
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Amended claims with annotations
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Aug 3, 2018
Letter accompanying subsequently filed items
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Aug 3, 2018
Matter concerning the application
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Jul 27, 2018
(Electronic) Receipt
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Jul 27, 2018
Amended claims with annotations
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Jul 27, 2018
Amendments received before examination
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Jul 27, 2018
Claims
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Jul 27, 2018
Letter accompanying subsequently filed items
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Jul 11, 2018
Notification of forthcoming publication
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May 11, 2018
May 4, 2018
Communication to designated inventor
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Apr 26, 2018
Apr 26, 2018
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(Electronic) Receipt
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Mar 19, 2018
Abstract
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Mar 19, 2018
Claims
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Mar 19, 2018
Description
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Mar 19, 2018
Request for entry into the European phase
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Mar 19, 2018
Submission concerning representation
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Feb 9, 2018
Information on entry into European phase
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Apr 25, 2017
Apr 6, 2017
Copy of the international search report
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Apr 6, 2017
Apr 6, 2017
International publication pamphlet
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