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The patent EP3630869 was granted to Basf on Oct 2, 2024. The application was filed on May 22, 2018 under application number EP18723888A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| KINGFA SCIENCE & TECHNOLOGY | Dec 10, 2021 | DOMPATENT VON KREISLER SELTING WERNER | ADMISSIBLE |
| KINGFA SCIENCE & TECHNOLOGY | Dec 10, 2021 | DOMPATENT VON PATENT UND RECHTSANWALTEN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE19929790 |
| DESCRIPTION | EP0719582 |
| DESCRIPTION | US5779986 |
| DESCRIPTION | WO03042278 |
| DESCRIPTION | WO2005042615 |
| DESCRIPTION | WO2011012598 |
| DESCRIPTION | WO2012031997 |
| DESCRIPTION | WO9812242 |
| INTERNATIONAL-SEARCH-REPORT | WO2011012598 |
| INTERNATIONAL-SEARCH-REPORT | WO2012031997 |
| INTERNATIONAL-SEARCH-REPORT | WO9812242 |
| OPPOSITION | DE112013005929T |
| OPPOSITION | DE1545165 |
| OPPOSITION | US2004254330 |
| OPPOSITION | US2011034662 |
| OPPOSITION | US2012020298 |
| OPPOSITION | US2013018143 |
| OPPOSITION | US2013053461 |
| OPPOSITION | US2014128514 |
| OPPOSITION | US3553157 |
| OPPOSITION | US6303738 |
| OPPOSITION | WO2013033285 |
| OPPOSITION | WO9615173 |
| OTHER | DE112013005929T |
| OTHER | DE1545165 |
| OTHER | US2004254330 |
| OTHER | US2011034662 |
| OTHER | US2012202928 |
| OTHER | US2013018143 |
| OTHER | US2014012851 |
| OTHER | US2016244556 |
| OTHER | US6303738 |
| OTHER | WO2013033285 |
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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Sep 5, 2024
Sep 5, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Jun 3, 2024
Refund of fees
Appeal
May 29, 2024
May 29, 2024
May 29, 2024
May 28, 2024
May 28, 2024
May 27, 2024
May 24, 2024
May 23, 2024
(Electronic) Receipt
Appeal
May 23, 2024
May 23, 2024
May 23, 2024
Withdrawal of an appeal
Appeal
Mar 19, 2024
Mar 19, 2024
Mar 13, 2024
Mar 13, 2024
Mar 13, 2024
Refund of fees
Appeal
Mar 13, 2024
Mar 6, 2024
Refund of fees
Appeal
Mar 1, 2024
Feb 28, 2024
(Electronic) Receipt
Appeal
Feb 28, 2024
Feb 28, 2024
Withdrawal of an appeal
Appeal
Feb 12, 2024
Feb 12, 2024
Feb 7, 2024
(Electronic) Receipt
Appeal
Feb 7, 2024
(Electronic) Receipt
Appeal
Feb 7, 2024
Feb 7, 2024
Feb 7, 2024
Reply to appeal
Appeal
Feb 7, 2024
Reply to appeal
Appeal
Sep 27, 2023
Sep 27, 2023
Sep 22, 2023
(Electronic) Receipt
Appeal
Sep 22, 2023
Sep 22, 2023
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Sep 22, 2023
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Sep 20, 2023
(Electronic) Receipt
Appeal
Sep 20, 2023
Sep 20, 2023
Sep 20, 2023
Jul 18, 2023
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Jul 12, 2023
(Electronic) Receipt
Appeal
Jul 12, 2023
(Electronic) Receipt
Appeal
Jul 12, 2023
Jul 12, 2023
Jul 12, 2023
Notice of appeal
Appeal
Jul 12, 2023
Notice of appeal
Appeal
May 15, 2023
May 12, 2023
May 12, 2023
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Means of redress
OPPO
May 12, 2023
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Mar 22, 2021
Feb 11, 2021
Decision to grant a European patent
Search/Exam
Feb 1, 2021
(Electronic) Receipt
Search/Exam
Feb 1, 2021
English translation of the claims
Search/Exam
Feb 1, 2021
French translation of claims
Search/Exam
Feb 1, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 20, 2020
Nov 19, 2020
Nov 19, 2020
Nov 16, 2020
(Electronic) Receipt
Search/Exam
Nov 16, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 16, 2020
Oct 20, 2020
Oct 12, 2020
Oct 12, 2020
Oct 12, 2020
Intention to grant (signatures)
Search/Exam
Oct 12, 2020
Text intended for grant (clean copy)
Search/Exam
Oct 12, 2020
Sep 7, 2020
Examination started
Search/Exam
Mar 11, 2020
Jan 13, 2020
Jan 9, 2020
Communication to designated inventor
Search/Exam
Jan 9, 2020
Communication to designated inventor
Search/Exam
Jan 9, 2020
Communication to designated inventor
Search/Exam
Jan 9, 2020
Communication to designated inventor
Search/Exam
Jan 4, 2020
Priority search results copy provided by EPO
Search/Exam
Dec 9, 2019
Dec 9, 2019
Nov 22, 2019
Information regarding early processing
Search/Exam
Nov 15, 2019
(Electronic) Receipt
Search/Exam
Nov 15, 2019
Request for entry into the European phase
Search/Exam
Oct 11, 2019
Information on entry into European phase
Search/Exam
Aug 27, 2019
Aug 27, 2019
Aug 27, 2019
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Jun 28, 2019
Jun 13, 2019
Jun 7, 2019
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Apr 16, 2019
Written opinion
PCT2
Apr 16, 2019
Apr 16, 2019
Feb 5, 2019
Notification of election of EPO
Search/Exam
Jan 31, 2019
Jan 16, 2019
Jan 10, 2019
Jan 10, 2019
PCT demand form
PCT2
Jan 10, 2019
Jan 10, 2019
Jan 10, 2019
Jan 10, 2019
Jan 8, 2019
Dec 6, 2018
Copy of the international search report
Search/Exam
Dec 6, 2018
Copy of the international search report
Search/Exam
Dec 6, 2018
Published international application - A1
Search/Exam
Aug 22, 2018
Jul 17, 2018
Jul 17, 2018
Jul 17, 2018
Jul 3, 2018
May 28, 2018
May 22, 2018
(Electronic) Receipt
PCTRO
May 22, 2018
Abstract
PCTRO
May 22, 2018
Claims
PCTRO
May 22, 2018
Description
PCTRO
May 22, 2018
May 22, 2018
May 22, 2018