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The patent EP3111957 was granted to Konoshima Chemical on Nov 21, 2018. The application was filed on Feb 25, 2014 under application number EP14883684A. 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 |
|---|---|---|---|
| DEAD SEA BROMINE | Aug 21, 2019 | HOYNG ROKH MONEGIER | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2003033159 |
| INTERNATIONAL-SEARCH-REPORT | JP2009209048 |
| OPPOSITION | JP2003033159 |
| OPPOSITION | JP2006249052 |
| OPPOSITION | JPH07187662 |
| OPPOSITION | JPH11158558 |
| OPPOSITION | JPH11181525 |
| OPPOSITION | US2004022872 |
| OPPOSITION | US2012156293 |
| OPPOSITION | US6436447 |
| SEARCH | JP2006249052 |
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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Jul 5, 2024
Jul 5, 2024
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Mar 27, 2024
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Mar 8, 2024
Mar 6, 2024
(Electronic) Receipt
Appeal
Mar 6, 2024
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Feb 7, 2024
(Electronic) Receipt
Appeal
Feb 7, 2024
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(Electronic) Receipt
Appeal
Jan 8, 2024
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Sep 19, 2023
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Dec 15, 2022
(Electronic) Receipt
Appeal
Dec 15, 2022
Dec 15, 2022
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Dec 15, 2022
Claims
Appeal
Dec 15, 2022
Dec 15, 2022
Reply to appeal
Appeal
Oct 5, 2022
Aug 5, 2022
Aug 1, 2022
(Electronic) Receipt
Appeal
Aug 1, 2022
Aug 1, 2022
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May 27, 2022
(Electronic) Receipt
Appeal
May 27, 2022
May 27, 2022
Notice of appeal
Appeal
Apr 1, 2022
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Means of redress
OPPO
Apr 1, 2022
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Dec 4, 2018
Submission concerning representation
Search/Exam
Dec 3, 2018
Oct 25, 2018
Decision to grant a European patent
Search/Exam
Oct 18, 2018
Oct 11, 2018
Oct 10, 2018
(Electronic) Receipt
Search/Exam
Oct 10, 2018
Filing of the translations of the claims
Search/Exam
Oct 10, 2018
French translation of claims
Search/Exam
Oct 10, 2018
German translation of the claims
Search/Exam
Oct 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 3, 2018
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Intention to grant (signatures)
Search/Exam
Jul 3, 2018
Text intended for grant (clean copy)
Search/Exam
Jul 3, 2018
Jun 18, 2018
Examination started
Search/Exam
Apr 16, 2018
(Electronic) Receipt
Search/Exam
Apr 16, 2018
Apr 16, 2018
Amended claims with annotations
Search/Exam
Apr 16, 2018
Apr 16, 2018
Amended description with annotations
Search/Exam
Apr 16, 2018
Amendments received before examination
Search/Exam
Apr 16, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 10, 2017
Sep 21, 2017
Sep 21, 2017
Sep 21, 2017
European search opinion
Search/Exam
Sep 21, 2017
Information on Search Strategy
Search/Exam
Sep 21, 2017
Supplementary European search report
Search/Exam
Sep 4, 2017
Search started
Search/Exam
Dec 7, 2016
Notification of forthcoming publication
Search/Exam
Oct 13, 2016
Sep 30, 2016
Communication to designated inventor
Search/Exam
Sep 14, 2016
Sep 14, 2016
Sep 7, 2016
(Electronic) Receipt
Search/Exam
Sep 7, 2016
Abstract
Search/Exam
Sep 7, 2016
Annex
Search/Exam
Sep 7, 2016
Claims
Search/Exam
Sep 7, 2016
Claims filed under Art.19 PCT
Search/Exam
Sep 7, 2016
Description
Search/Exam
Sep 7, 2016
Request for entry into the European phase
Search/Exam
Jul 8, 2016
Information on entry into European phase
Search/Exam
Sep 3, 2015
Copy of the international search report
Search/Exam
Sep 3, 2015
Sep 3, 2015
International publication pamphlet
Search/Exam