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The patent EP3058018 was granted to Basf on Sep 13, 2017. The application was filed on Oct 17, 2014 under application number EP14786180A. 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 |
|---|---|---|---|
| HUNTSMAN | Jun 12, 2018 | VAN DEN BROECK | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE10056251 |
| DESCRIPTION | DE1300282 |
| DESCRIPTION | EP1213307 |
| DESCRIPTION | WO2007082838 |
| DESCRIPTION | WO2011005705 |
| DESCRIPTION | WO9620966 |
| EXAMINATION | CN103183805 |
| INTERNATIONAL-SEARCH-REPORT | JP2002347057 |
| INTERNATIONAL-SEARCH-REPORT | US3310617 |
| OPPOSITION | CN102276785 |
| OPPOSITION | CN103183805 |
| OPPOSITION | EP2203290 |
| OPPOSITION | EP2565223 |
| OPPOSITION | US2002193459 |
| OPPOSITION | US2012329892 |
| OPPOSITION | US2015174808 |
| OPPOSITION | US3642964 |
| OPPOSITION | US3673126 |
| OPPOSITION | US5391682 |
| OPPOSITION | US6783710 |
| OPPOSITION | US6979701 |
| OPPOSITION | WO0189794 |
| OPPOSITION | WO2013153153 |
| OPPOSITION | WO9100304 |
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 11, 2022
Jul 1, 2022
Advice of delivery
Appeal
Jul 1, 2022
Jul 1, 2022
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(Electronic) Receipt
Appeal
May 11, 2022
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Apr 25, 2022
(Electronic) Receipt
Appeal
Apr 25, 2022
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(Electronic) Receipt
Appeal
Apr 8, 2022
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Advice of delivery
Appeal
Mar 7, 2022
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Oct 13, 2021
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Sep 17, 2020
Sep 4, 2020
(Electronic) Receipt
Appeal
Sep 4, 2020
Sep 4, 2020
Reply to appeal
Appeal
May 4, 2020
Apr 23, 2020
(Electronic) Receipt
Appeal
Apr 23, 2020
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(Electronic) Receipt
Appeal
Feb 21, 2020
Feb 21, 2020
Notice of appeal
Appeal
Dec 18, 2019
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OPPO
Sep 13, 2019
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OPPO
Sep 13, 2019
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OPPO
Sep 13, 2019
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OPPO
Sep 13, 2019
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OPPO
Sep 13, 2019
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OPPO
Sep 13, 2019
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OPPO
Sep 13, 2019
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OPPO
Sep 13, 2019
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Search/Exam
Apr 24, 2019
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OPPO
Dec 7, 2018
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OPPO
Dec 7, 2018
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OPPO
Dec 7, 2018
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OPPO
Dec 7, 2018
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OPPO
Dec 7, 2018
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OPPO
Dec 7, 2018
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OPPO
Dec 7, 2018
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OPPO
Dec 7, 2018
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OPPO
Dec 7, 2018
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OPPO
Dec 7, 2018
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OPPO
Dec 7, 2018
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Sep 14, 2017
Aug 18, 2017
Decision to grant a European patent
Search/Exam
Aug 4, 2017
(Electronic) Receipt
Search/Exam
Aug 4, 2017
English translation of the claims
Search/Exam
Aug 4, 2017
French translation of claims
Search/Exam
Aug 4, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 3, 2017
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Intention to grant (signatures)
Search/Exam
Apr 25, 2017
Text intended for grant (clean copy)
Search/Exam
Apr 25, 2017
Mar 29, 2017
Examination started
Search/Exam
Dec 7, 2016
(Electronic) Receipt
Search/Exam
Dec 7, 2016
Dec 7, 2016
Amended claims with annotations
Search/Exam
Dec 7, 2016
Amendments received before examination
Search/Exam
Dec 7, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 27, 2016
Jul 26, 2016
Communication to designated inventor
Search/Exam
Jul 19, 2016
Letter concerning the inventor
Search/Exam
Jun 24, 2016
Jun 16, 2016
Letter which had not been notified
Search/Exam
May 30, 2016
May 25, 2016
Communication to designated inventor
Search/Exam
May 25, 2016
Communication to designated inventor
Search/Exam
May 25, 2016
Communication to designated inventor
Search/Exam
May 25, 2016
Communication to designated inventor
Search/Exam
May 25, 2016
Communication to designated inventor
Search/Exam
May 25, 2016
Communication to designated inventor
Search/Exam
May 23, 2016
Priority search results copy provided by EPO
Search/Exam
May 17, 2016
(Electronic) Receipt
Search/Exam
May 17, 2016
Request for entry into the European phase
Search/Exam
May 4, 2016
Mar 3, 2016
CDS Clean up - amended applicant details
Search/Exam
Mar 3, 2016
Feb 26, 2016
Information on entry into European phase
Search/Exam
May 13, 2015
Apr 23, 2015
Copy of the international search report
Search/Exam
Apr 23, 2015
Published international application - A1
Search/Exam
Nov 21, 2014
Nov 21, 2014
Nov 21, 2014
Oct 17, 2014
(Electronic) Receipt
PCTRO
Oct 17, 2014
Abstract
PCTRO
Oct 17, 2014
Claims
PCTRO
Oct 17, 2014
Description
PCTRO
Oct 17, 2014
Oct 17, 2014