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The patent EP3487690 was granted to Covestro Netherlands on Aug 19, 2020. The application was filed on Jul 21, 2017 under application number EP17743015A. 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 |
|---|---|---|---|
| EVONIK OPERATIONS | May 18, 2021 | F & E PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2004036200 |
| DESCRIPTION | US5204055 |
| DESCRIPTION | US7381360 |
| INTERNATIONAL-SEARCH-REPORT | US2005093194 |
| INTERNATIONAL-SEARCH-REPORT | US2012231232 |
| INTERNATIONAL-SEARCH-REPORT | WO03016030 |
| OPPOSITION | US2004036200 |
| OPPOSITION | US2005093194 |
| OPPOSITION | US2015375459 |
| OPPOSITION | WO03016030 |
| OPPOSITION | WO2008113813 |
| OPPOSITION | WO2009149984 |
| OPPOSITION | WO2014173861 |
| OPPOSITION | WO2015100243 |
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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Means of redress
OPPO
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OPPO
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Decision to grant a European patent
Search/Exam
Jun 17, 2020
(Electronic) Receipt
Search/Exam
Jun 17, 2020
French translation of claims
Search/Exam
Jun 17, 2020
German translation of the claims
Search/Exam
Jun 17, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 20, 2020
Mar 20, 2020
Mar 20, 2020
Intention to grant (signatures)
Search/Exam
Mar 20, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 20, 2020
Feb 14, 2020
Examination started
Search/Exam
May 2, 2019
Mar 8, 2019
Mar 5, 2019
Communication to designated inventor
Search/Exam
Mar 5, 2019
Communication to designated inventor
Search/Exam
Mar 5, 2019
Communication to designated inventor
Search/Exam
Mar 5, 2019
Communication to designated inventor
Search/Exam
Mar 5, 2019
Communication to designated inventor
Search/Exam
Mar 5, 2019
Communication to designated inventor
Search/Exam
Mar 2, 2019
Priority search results copy provided by EPO
Search/Exam
Mar 2, 2019
Priority search results copy provided by EPO
Search/Exam
Feb 22, 2019
(Electronic) Receipt
Search/Exam
Feb 22, 2019
Feb 22, 2019
Request for entry into the European phase
Search/Exam
Feb 5, 2019
Nov 30, 2018
Information on entry into European phase
Search/Exam
Feb 12, 2018
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Jan 25, 2018
Copy of the international search report
Search/Exam
Jan 25, 2018
Published international application - A1
Search/Exam
Oct 12, 2017
ISR: cited documents
PCTISA
Oct 11, 2017
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Jul 21, 2017
(Electronic) Receipt
PCTRO
Jul 21, 2017
Abstract
PCTRO
Jul 21, 2017
Claims
PCTRO
Jul 21, 2017
Description
PCTRO
Jul 21, 2017
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