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The patent EP3380459 was granted to Evonik Degussa on Jan 1, 2020. The application was filed on Nov 1, 2016 under application number EP16791559A. 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 |
|---|---|---|---|
| BASF | Sep 30, 2020 | ALTMANN STOSSEL DICK PATENTANWALTE PARTG MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0100119 |
| DESCRIPTION | EP0230949 |
| DESCRIPTION | EP1085017 |
| DESCRIPTION | WO0110855 |
| DESCRIPTION | WO02085873 |
| DESCRIPTION | WO0234668 |
| DESCRIPTION | WO2004048355 |
| DESCRIPTION | WO2005000827 |
| DESCRIPTION | WO2005025716 |
| DESCRIPTION | WO9928029 |
| INTERNATIONAL-SEARCH-REPORT | WO2005000827 |
| OPPOSITION | CN103145102 |
| OPPOSITION | CN1257827 |
| OPPOSITION | EP2762443 |
| OPPOSITION | WO2005000827 |
| OPPOSITION | WO2005025716 |
| OPPOSITION | WO2012076543 |
| OPPOSITION | WO2015049327 |
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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Feb 27, 2024
Refund of fees
Appeal
Feb 22, 2024
Feb 22, 2024
Feb 22, 2024
Feb 22, 2024
Feb 20, 2024
Feb 19, 2024
Feb 15, 2024
(Electronic) Receipt
Appeal
Feb 15, 2024
Feb 15, 2024
Withdrawal of an appeal
Appeal
Jan 23, 2024
Jan 17, 2024
Jan 16, 2024
Jan 16, 2024
Jan 15, 2024
(Electronic) Receipt
Appeal
Jan 15, 2024
Jan 15, 2024
Dec 7, 2023
Dec 4, 2023
(Electronic) Receipt
Appeal
Dec 4, 2023
Dec 4, 2023
Oct 30, 2023
Oct 30, 2023
Oct 25, 2023
Oct 25, 2023
Oct 11, 2022
Oct 5, 2022
(Electronic) Receipt
Appeal
Oct 5, 2022
Oct 5, 2022
Aug 24, 2022
Aug 18, 2022
(Electronic) Receipt
Appeal
Aug 18, 2022
Aug 18, 2022
Aug 18, 2022
Aug 18, 2022
Aug 18, 2022
Aug 18, 2022
Aug 18, 2022
Claims
Appeal
Aug 18, 2022
Claims
Appeal
Aug 18, 2022
Claims
Appeal
Aug 18, 2022
Claims
Appeal
Aug 18, 2022
Claims
Appeal
Aug 18, 2022
Claims
Appeal
Aug 18, 2022
Aug 18, 2022
Reply to appeal
Appeal
Apr 11, 2022
Apr 9, 2022
Apr 9, 2022
Apr 5, 2022
(Electronic) Receipt
Appeal
Apr 5, 2022
Apr 5, 2022
Apr 5, 2022
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Feb 11, 2022
Feb 11, 2022
Feb 4, 2022
(Electronic) Receipt
Appeal
Feb 4, 2022
Feb 4, 2022
Notice of appeal
Appeal
Dec 6, 2021
Nov 26, 2021
Nov 26, 2021
Nov 26, 2021
Nov 26, 2021
Nov 26, 2021
Nov 26, 2021
Nov 26, 2021
Means of redress
OPPO
Nov 26, 2021
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Sep 30, 2021
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Aug 20, 2021
Aug 17, 2021
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Authorisation
OPPO
Aug 17, 2021
Aug 12, 2021
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Apr 13, 2021
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Apr 1, 2021
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Feb 19, 2021
Feb 15, 2021
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Oct 12, 2020
Sep 30, 2020
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Sep 30, 2020
Sep 30, 2020
Mar 11, 2020
Mar 11, 2020
Mar 5, 2020
(Electronic) Receipt
Search/Exam
Mar 5, 2020
Authorisation
Search/Exam
Mar 5, 2020
General authorisation
Search/Exam
Mar 5, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2020
Jan 13, 2020
Dec 5, 2019
Decision to grant a European patent
Search/Exam
Nov 12, 2019
Nov 7, 2019
Nov 6, 2019
(Electronic) Receipt
Search/Exam
Nov 6, 2019
Filing of the translations of the claims
Search/Exam
Nov 6, 2019
French translation of claims
Search/Exam
Nov 6, 2019
German translation of the claims
Search/Exam
Nov 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 6, 2019
Nov 6, 2019
Sep 2, 2019
Sep 2, 2019
Sep 2, 2019
Intention to grant (signatures)
Search/Exam
Sep 2, 2019
Text intended for grant (clean copy)
Search/Exam
Sep 2, 2019
Jun 27, 2019
Examination started
Search/Exam
Sep 5, 2018
Sep 4, 2018
Communication to designated inventor
Search/Exam
Aug 28, 2018
(Electronic) Receipt
Search/Exam
Aug 28, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 28, 2018
Letter concerning the inventor
Search/Exam
Aug 14, 2018
Aug 8, 2018
Letter which had not been notified
Search/Exam
Jul 31, 2018
Jul 17, 2018
Annexes in respect of a client data request
Search/Exam
Jul 17, 2018
Annexes in respect of a client data request
Search/Exam
Jul 17, 2018
Jul 3, 2018
Jun 29, 2018
Communication to designated inventor
Search/Exam
Jun 29, 2018
Communication to designated inventor
Search/Exam
Jun 29, 2018
Communication to designated inventor
Search/Exam
Jun 29, 2018
Communication to designated inventor
Search/Exam
Jun 29, 2018
Communication to designated inventor
Search/Exam
Jun 29, 2018
Communication to designated inventor
Search/Exam
Jun 26, 2018
Priority search results copy provided by EPO
Search/Exam
Jun 14, 2018
May 24, 2018
Information regarding early processing
Search/Exam
May 14, 2018
Annex
Search/Exam
May 11, 2018
(Electronic) Receipt
Search/Exam
May 11, 2018
Authorisation
Search/Exam
May 11, 2018
Request for entry into the European phase
Search/Exam
Apr 6, 2018
Information on entry into European phase
Search/Exam
Jan 23, 2018
Jan 23, 2018
Jan 23, 2018
Notification of the recording of a change
Search/Exam
Jun 19, 2017
Jun 1, 2017
Copy of the international search report
Search/Exam
Jun 1, 2017
Published international application - A1
Search/Exam
Dec 15, 2016
ISR: cited documents
PCTISA
Dec 14, 2016
Dec 14, 2016
Dec 14, 2016
Nov 22, 2016
Nov 16, 2016
Nov 11, 2016
Nov 1, 2016
(Electronic) Receipt
PCTRO
Nov 1, 2016
Abstract
PCTRO
Nov 1, 2016
Claims
PCTRO
Nov 1, 2016
Description
PCTRO
Nov 1, 2016
Nov 1, 2016
Nov 1, 2016