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The patent EP3743316 was granted to Sabic on Oct 27, 2021. The application was filed on Jan 28, 2019 under application number EP19703027A. 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 |
|---|---|---|---|
| COVESTRO DEUTSCHLAND | Jul 26, 2022 | LEVPAT | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE102015009992 |
| INTERNATIONAL-SEARCH-REPORT | EP2305540 |
| INTERNATIONAL-SEARCH-REPORT | US2009195031 |
| INTERNATIONAL-SEARCH-REPORT | US5115878 |
| INTERNATIONAL-SEARCH-REPORT | WO2013153335 |
| OPPOSITION | CN3543361S |
| OPPOSITION | DE10109663 |
| OPPOSITION | DE102005047500 |
| OPPOSITION | DE102007052197 |
| OPPOSITION | DE102015009992 |
| OPPOSITION | DE1691117U |
| OPPOSITION | DE202015102310U |
| OPPOSITION | DE602004012983T |
| OPPOSITION | DE60317284T |
| OPPOSITION | EM000575220S |
| OPPOSITION | EP1288109 |
| OPPOSITION | EP2305540 |
| OPPOSITION | FR2723044 |
| OPPOSITION | JP1129715S |
| OPPOSITION | JP1146853S |
| OPPOSITION | JP1460289S |
| OPPOSITION | JP1501482S |
| OPPOSITION | JP2009035193 |
| OPPOSITION | US2009195037 |
| OPPOSITION | US2015321599 |
| OPPOSITION | US2017144717 |
| OPPOSITION | US4920460 |
| OPPOSITION | US5115878 |
| OPPOSITION | USD559152S |
| OPPOSITION | WO2004048183 |
| OPPOSITION | WO2012055873 |
| OPPOSITION | WO2013049369 |
| OPPOSITION | WO2013153335 |
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.
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Decision to grant a European patent
Search/Exam
Sep 20, 2021
(Electronic) Receipt
Search/Exam
Sep 20, 2021
Filing of the translations of the claims
Search/Exam
Sep 20, 2021
French translation of claims
Search/Exam
Sep 20, 2021
German translation of the claims
Search/Exam
Aug 27, 2021
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Intention to grant (signatures)
Search/Exam
Aug 27, 2021
Text intended for grant (clean copy)
Search/Exam
Aug 27, 2021
Aug 16, 2021
Examination started
Search/Exam
Mar 2, 2021
(Electronic) Receipt
Search/Exam
Mar 2, 2021
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Amended claims with annotations
Search/Exam
Mar 2, 2021
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Search/Exam
Mar 2, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 4, 2020
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(Electronic) Receipt
Search/Exam
Sep 11, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 11, 2020
Sep 2, 2020
Aug 31, 2020
Communication to designated inventor
Search/Exam
Aug 26, 2020
Priority search results copy provided by EPO
Search/Exam
Aug 11, 2020
Jul 22, 2020
(Electronic) Receipt
Search/Exam
Jul 22, 2020
Request for entry into the European phase
Search/Exam
Jun 5, 2020
Information on entry into European phase
Search/Exam
Aug 19, 2019
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Copy of the international search report
Search/Exam
Aug 1, 2019
Published international application - A1
Search/Exam
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(Electronic) Receipt
PCTRO
Jan 28, 2019
Abstract
PCTRO
Jan 28, 2019
Claims
PCTRO
Jan 28, 2019
Description
PCTRO
Jan 28, 2019
Jan 28, 2019
Drawings
PCTRO
Jan 28, 2019
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