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The patent EP3331921 was granted to Tiense Suikerraffinaderij on Jun 2, 2021. The application was filed on Aug 3, 2016 under application number EP16750615A. 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 |
|---|---|---|---|
| COSUCRA GROUPE WARCOING | Mar 2, 2022 | DE CLERCQ & PARTNERS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | WO2009129985 |
| OPPOSITION | EP0440074 |
| OPPOSITION | US2001016572 |
| OPPOSITION | WO2009129985 |
| OPPOSITION | WO9937686 |
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 15, 2025
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(Electronic) Receipt
Appeal
Apr 10, 2025
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Mar 31, 2025
(Electronic) Receipt
Appeal
Mar 31, 2025
(Electronic) Receipt
Appeal
Mar 31, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Nov 25, 2024
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(Electronic) Receipt
Appeal
Oct 15, 2024
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Oct 11, 2024
(Electronic) Receipt
Appeal
Oct 11, 2024
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Sep 30, 2024
(Electronic) Receipt
Appeal
Sep 30, 2024
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Jul 2, 2024
(Electronic) Receipt
Appeal
Jul 2, 2024
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Jul 2, 2024
Reply to appeal
Appeal
Mar 11, 2024
Mar 6, 2024
(Electronic) Receipt
Appeal
Mar 6, 2024
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(Electronic) Receipt
Appeal
Dec 19, 2023
Dec 19, 2023
Notice of appeal
Appeal
Nov 27, 2023
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Means of redress
OPPO
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Authorisation
OPPO
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Jun 15, 2021
May 7, 2021
Decision to grant a European patent
Search/Exam
Apr 26, 2021
(Electronic) Receipt
Search/Exam
Apr 26, 2021
Filing of the translations of the claims
Search/Exam
Apr 26, 2021
French translation of claims
Search/Exam
Apr 26, 2021
German translation of the claims
Search/Exam
Feb 2, 2021
Jan 19, 2021
Annexes in respect of a client data request
Search/Exam
Jan 19, 2021
Annexes in respect of a client data request
Search/Exam
Jan 19, 2021
Dec 21, 2020
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Intention to grant (signatures)
Search/Exam
Dec 21, 2020
Text intended for grant (clean copy)
Search/Exam
Dec 21, 2020
Aug 4, 2020
(Electronic) Receipt
Search/Exam
Aug 4, 2020
Amended claims with annotations
Search/Exam
Aug 4, 2020
Claims
Search/Exam
Aug 4, 2020
Description
Search/Exam
Aug 4, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 4, 2020
Apr 2, 2020
Annex to the communication
Search/Exam
Apr 2, 2020
Communication from the Examining Division
Search/Exam
Sep 27, 2019
Decision to allow further processing
Search/Exam
Sep 16, 2019
(Electronic) Receipt
Search/Exam
Sep 16, 2019
Amended claims with annotations
Search/Exam
Sep 16, 2019
Claims
Search/Exam
Sep 16, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 16, 2019
Sep 16, 2019
Request for further processing
Search/Exam
Jul 24, 2019
Feb 13, 2019
Annex to the communication
Search/Exam
Feb 13, 2019
Communication from the Examining Division
Search/Exam
Jan 25, 2019
Decision to allow further processing
Search/Exam
Jan 10, 2019
(Electronic) Receipt
Search/Exam
Jan 10, 2019
Jan 10, 2019
Amended claims with annotations
Search/Exam
Jan 10, 2019
Amendments received before examination
Search/Exam
Jan 10, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 10, 2019
Request for further processing
Search/Exam
Nov 2, 2018
May 16, 2018
Mar 13, 2018
Mar 9, 2018
Communication to designated inventor
Search/Exam
Mar 6, 2018
Priority search results copy provided by EPO
Search/Exam
Feb 21, 2018
Feb 6, 2018
(Electronic) Receipt
Search/Exam
Feb 6, 2018
Request for entry into the European phase
Search/Exam
Dec 13, 2017
Information on entry into European phase
Search/Exam
Feb 28, 2017
Feb 9, 2017
Copy of the international search report
Search/Exam
Feb 9, 2017
Published international application - A1
Search/Exam
Oct 6, 2016
Oct 6, 2016
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Aug 18, 2016
Aug 3, 2016
Abstract
PCTRO
Aug 3, 2016
Claims
PCTRO
Aug 3, 2016
Description
PCTRO
Aug 3, 2016
Aug 3, 2016
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Aug 3, 2016