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The patent EP3293208 was granted to SCG Chemicals on Jun 16, 2021. The application was filed on Sep 12, 2016 under application number EP16188324A. 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 |
|---|---|---|---|
| THE DOW CHEMICAL | Mar 16, 2022 | BOULT WADE TENNANT | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CA2483835 |
| DESCRIPTION | JP2012067914 |
| DESCRIPTION | WO0179345 |
| OPPOSITION | WO2014126839 |
| SEARCH | EP2740761 |
| SEARCH | WO2010008964 |
| SEARCH | WO9428064 |
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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Nov 28, 2025
Nov 26, 2025
(Electronic) Receipt
Appeal
Nov 26, 2025
Nov 26, 2025
Oct 16, 2025
Oct 13, 2025
(Electronic) Receipt
Appeal
Oct 13, 2025
Oct 13, 2025
Oct 13, 2025
Oct 13, 2025
Oct 13, 2025
Oct 13, 2025
Oct 13, 2025
Oct 13, 2025
Oct 13, 2025
Aug 28, 2025
Aug 25, 2025
(Electronic) Receipt
Appeal
Aug 25, 2025
Aug 25, 2025
Feb 5, 2025
Feb 3, 2025
(Electronic) Receipt
Appeal
Feb 3, 2025
Feb 3, 2025
Feb 3, 2025
Reply to appeal
Appeal
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 4, 2024
Oct 4, 2024
Oct 4, 2024
Sep 30, 2024
(Electronic) Receipt
Appeal
Sep 30, 2024
(Electronic) Receipt
Appeal
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
General authorisation
Appeal
Sep 30, 2024
General authorisation
Appeal
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 26, 2024
(Electronic) Receipt
Appeal
Jul 26, 2024
Jul 26, 2024
Notice of appeal
Appeal
May 29, 2024
May 29, 2024
May 29, 2024
May 29, 2024
May 29, 2024
May 29, 2024
May 29, 2024
May 29, 2024
Means of redress
OPPO
May 29, 2024
May 29, 2024
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May 29, 2024
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Feb 21, 2024
Feb 6, 2024
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Dec 14, 2023
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Dec 4, 2023
Nov 29, 2023
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Feb 7, 2023
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Nov 17, 2022
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Nov 7, 2022
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Mar 16, 2022
Mar 16, 2022
Jun 29, 2021
May 20, 2021
Decision to grant a European patent
Search/Exam
May 10, 2021
(Electronic) Receipt
Search/Exam
May 10, 2021
Filing of the translations of the claims
Search/Exam
May 10, 2021
French translation of claims
Search/Exam
May 10, 2021
German translation of the claims
Search/Exam
May 10, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 28, 2021
Jan 28, 2021
Jan 28, 2021
Intention to grant (signatures)
Search/Exam
Jan 28, 2021
Text intended for grant (clean copy)
Search/Exam
Jan 28, 2021
Sep 2, 2020
(Electronic) Receipt
Search/Exam
Sep 2, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 2, 2020
May 4, 2020
Annex to the communication
Search/Exam
May 4, 2020
Communication from the Examining Division
Search/Exam
Apr 21, 2020
Examination started
Search/Exam
Jan 3, 2020
Change to the inventor details
Search/Exam
Dec 18, 2019
(Electronic) Receipt
Search/Exam
Dec 18, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 18, 2019
Letter concerning the inventor
Search/Exam
Sep 6, 2018
(Electronic) Receipt
Search/Exam
Sep 6, 2018
Sep 6, 2018
Amended claims with annotations
Search/Exam
Sep 6, 2018
Amendments received before examination
Search/Exam
Sep 6, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 19, 2018
Feb 14, 2018
Notification of forthcoming publication
Search/Exam
Aug 23, 2017
Communication to designated inventor
Search/Exam
Aug 23, 2017
Communication to designated inventor
Search/Exam
Aug 17, 2017
Payment of fees and costs
Search/Exam
Aug 15, 2017
(Electronic) Receipt
Search/Exam
Aug 15, 2017
Designation of inventor
Search/Exam
Aug 15, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 15, 2017
Letter concerning the inventor
Search/Exam
May 11, 2017
Submission concerning representation
Search/Exam
Dec 22, 2016
Dec 22, 2016
European search opinion
Search/Exam
Dec 22, 2016
European search report
Search/Exam
Dec 22, 2016
Information on Search Strategy
Search/Exam
Oct 7, 2016
Deficiency in designation of inventor
Search/Exam
Sep 12, 2016
(Electronic) Receipt
Search/Exam
Sep 12, 2016
Abstract
Search/Exam
Sep 12, 2016
Sep 12, 2016
Claims
Search/Exam
Sep 12, 2016
Description
Search/Exam
Sep 12, 2016
Letter accompanying subsequently filed items
Search/Exam
Sep 12, 2016
Matter concerning the application
Search/Exam
Sep 12, 2016
Request for grant of a European patent
Search/Exam