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The patent EP3517294 was granted to Arkema France on Dec 8, 2021. The application was filed on Jan 12, 2017 under application number EP19158603A. 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 |
|---|---|---|---|
| TI AUTOMOTIVE FULDABRUCK | Sep 8, 2022 | ANDREJEWSKI HONKE PATENT UND RECHTSANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
| EVONIK OPERATIONS | Sep 5, 2022 | F & E PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102005061530 |
| OPPOSITION | DE60004907T |
| OPPOSITION | EP1884356 |
| OPPOSITION | EP1886810 |
| OPPOSITION | EP3069871 |
| OPPOSITION | EP3283293 |
| OPPOSITION | US2002155242 |
| OPPOSITION | US2005131147 |
| OPPOSITION | US2009252979 |
| OPPOSITION | US6302153 |
| OPPOSITION | WO0194110 |
| OPPOSITION | WO2006040206 |
| OPPOSITION | WO2007057584 |
| OPPOSITION | WO2017121961 |
| SEARCH | DE102008044224 |
| SEARCH | EP1393889 |
| SEARCH | EP1496298 |
| SEARCH | EP2094481 |
| SEARCH | EP2098580 |
| SEARCH | FR2925865 |
| SEARCH | US2013126031 |
| SEARCH | US5554426 |
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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Dec 18, 2025
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(Electronic) Receipt
Appeal
Dec 15, 2025
Notice of appeal
Appeal
Dec 15, 2025
Notice of appeal
Appeal
Dec 12, 2025
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(Electronic) Receipt
Appeal
Dec 11, 2025
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Notice of appeal
Appeal
Dec 8, 2025
(Electronic) Receipt
Appeal
Dec 8, 2025
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Notice of appeal
Appeal
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Letter accompanying subsequently filed items
Search/Exam
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Authorisation
OPPO
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Dec 21, 2021
Dec 13, 2021
Payment submission rejected
Search/Exam
Nov 11, 2021
Decision to grant a European patent
Search/Exam
Oct 28, 2021
(Electronic) Receipt
Search/Exam
Oct 28, 2021
English translation of the claims
Search/Exam
Oct 28, 2021
Filing of the translations of the claims
Search/Exam
Oct 28, 2021
German translation of the claims
Search/Exam
Oct 28, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 27, 2021
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Intention to grant (signatures)
Search/Exam
Oct 27, 2021
Text intended for grant (clean copy)
Search/Exam
Oct 27, 2021
Sep 6, 2021
Examination started
Search/Exam
Jan 25, 2021
Jan 5, 2021
(Electronic) Receipt
Search/Exam
Jan 5, 2021
Enquiry as to the processing of the file
Search/Exam
Jan 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 27, 2019
CDS Clean up - amended applicant details
Search/Exam
Sep 12, 2019
(Electronic) Receipt
Search/Exam
Sep 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 12, 2019
Reply to Written Opinion prepared by the EPO
Search/Exam
Aug 5, 2019
Jul 3, 2019
Notification of forthcoming publication
Search/Exam
Jul 1, 2019
Refund of fees
Search/Exam
Jun 27, 2019
Jun 27, 2019
European search opinion
Search/Exam
Jun 27, 2019
European search report
Search/Exam
Jun 27, 2019
Information on Search Strategy
Search/Exam
Jun 19, 2019
Search started
Search/Exam
Apr 16, 2019
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Apr 16, 2019
Communication to designated inventor
Search/Exam
Mar 5, 2019
Priority search results copy provided by EPO
Search/Exam
Feb 21, 2019
Abstract
Search/Exam
Feb 21, 2019
Feb 21, 2019
Claims
Search/Exam
Feb 21, 2019
Description
Search/Exam
Feb 21, 2019
Designation of inventor
Search/Exam
Feb 21, 2019
Priority search results
Search/Exam
Feb 21, 2019
Request for grant of a European patent
Search/Exam
Jan 19, 2018
Priority search results copy provided by EPO
Search/Exam
Aug 8, 2017