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The patent EP3230328 was granted to Sabic on Feb 14, 2024. The application was filed on Dec 2, 2015 under application number EP15804744A. 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 |
|---|---|---|---|
| THE DOW CHEMICAL | Nov 11, 2024 | BECK GREENER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP0963832 |
| EXAMINATION | JP2002254511 |
| EXAMINATION | US2003130464 |
| INTERNATIONAL-SEARCH-REPORT | WO2012069157 |
| OPPOSITION | US5955205 |
| OPPOSITION | WO2012069157 |
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
Jan 18, 2024
Decision to grant a European patent
Search/Exam
Jan 10, 2024
(Electronic) Receipt
Search/Exam
Jan 10, 2024
French translation of claims
Search/Exam
Jan 10, 2024
German translation of the claims
Search/Exam
Jan 10, 2024
Letter accompanying subsequently filed items
Search/Exam
Dec 18, 2023
Dec 18, 2023
Dec 18, 2023
Dec 18, 2023
Intention to grant (signatures)
Search/Exam
Dec 18, 2023
Text intended for grant (clean copy)
Search/Exam
Dec 18, 2023
Nov 30, 2023
Annex to the communication
Search/Exam
Nov 30, 2023
Consultation by telephone/in person
Search/Exam
Nov 30, 2023
Oct 3, 2023
(Electronic) Receipt
Search/Exam
Oct 3, 2023
Claims
Search/Exam
Oct 3, 2023
Letter accompanying subsequently filed items
Search/Exam
Oct 3, 2023
Jul 5, 2023
Annex to the communication
Search/Exam
Jul 5, 2023
Communication from the Examining Division
Search/Exam
Oct 28, 2020
(Electronic) Receipt
Search/Exam
Oct 28, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 28, 2020
May 8, 2020
Annex to the communication
Search/Exam
May 8, 2020
May 8, 2020
Mar 27, 2020
Mar 18, 2020
(Electronic) Receipt
Search/Exam
Mar 18, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 18, 2020
Mar 18, 2020
Oral proceedings: reply to date proposed
Search/Exam
Nov 27, 2019
Annex to the communication
Search/Exam
Nov 27, 2019
Summons to attend oral proceedings
Search/Exam
Jun 5, 2019
(Electronic) Receipt
Search/Exam
Jun 5, 2019
Amended claims with annotations
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Jun 5, 2019
Claims
Search/Exam
Jun 5, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 5, 2019
Feb 15, 2019
Annex to the communication
Search/Exam
Feb 15, 2019
Communication from the Examining Division
Search/Exam
Feb 12, 2019
Examination started
Search/Exam
Jan 15, 2018
(Electronic) Receipt
Search/Exam
Jan 15, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 15, 2018
Reply to Written Opinion prepared by the EPO
Search/Exam
Sep 20, 2017
Jul 19, 2017
Jul 17, 2017
Communication to designated inventor
Search/Exam
Jul 17, 2017
Communication to designated inventor
Search/Exam
Jul 17, 2017
Communication to designated inventor
Search/Exam
Jul 12, 2017
Priority search results copy provided by EPO
Search/Exam
Jun 27, 2017
Jun 8, 2017
(Electronic) Receipt
Search/Exam
Jun 8, 2017
Request for entry into the European phase
Search/Exam
Apr 21, 2017
Information on entry into European phase
Search/Exam
Jul 5, 2016
Jul 5, 2016
Jun 16, 2016
Copy of the international search report
Search/Exam
Jun 16, 2016
Published international application - A1
Search/Exam
Apr 5, 2016
Mar 11, 2016
(Electronic) Receipt
PCTRO
Mar 11, 2016
Mar 11, 2016
Feb 29, 2016
Feb 29, 2016
Feb 29, 2016
Jan 8, 2016
(Electronic) Receipt
PCTRO
Jan 8, 2016
Annex
PCTRO
Jan 8, 2016
Annex
PCTRO
Jan 8, 2016
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Dec 18, 2015
Dec 14, 2015
(Electronic) Receipt
PCTRO
Dec 14, 2015
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Dec 10, 2015
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Dec 7, 2015
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Dec 2, 2015
(Electronic) Receipt
PCTRO
Dec 2, 2015
Abstract
PCTRO
Dec 2, 2015
Claims
PCTRO
Dec 2, 2015
Description
PCTRO
Dec 2, 2015
Dec 2, 2015
Drawings
PCTRO