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The patent EP3101492 was granted to SUN Chemical on Dec 22, 2021. The application was filed on Aug 14, 2002 under application number EP16176606A. 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 |
|---|---|---|---|
| HUBERGROUP DEUTSCHLAND | Aug 10, 2020 | HENKEL & PARTNER MBB | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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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Nov 25, 2021
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Letter accompanying subsequently filed items
Search/Exam
Aug 5, 2021
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Means of redress
OPPO
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Nov 25, 2019
Oct 17, 2019
Decision to grant a European patent
Search/Exam
Oct 2, 2019
(Electronic) Receipt
Search/Exam
Oct 2, 2019
Filing of the translations of the claims
Search/Exam
Oct 2, 2019
French translation of claims
Search/Exam
Oct 2, 2019
German translation of the claims
Search/Exam
Oct 2, 2019
Letter accompanying subsequently filed items
Search/Exam
May 24, 2019
May 24, 2019
May 24, 2019
Intention to grant (signatures)
Search/Exam
May 24, 2019
Text intended for grant (clean copy)
Search/Exam
May 24, 2019
May 2, 2019
Amended claims with annotations
Search/Exam
May 2, 2019
Claims
Search/Exam
May 2, 2019
Mar 19, 2019
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Mar 19, 2019
Intention to grant (signatures)
Search/Exam
Mar 19, 2019
Text intended for grant (clean copy)
Search/Exam
Mar 19, 2019
Feb 22, 2019
Examination started
Search/Exam
Jan 17, 2018
Refund of fees
Search/Exam
Jan 17, 2018
Refund of fees
Search/Exam
Oct 20, 2017
Payment of fees and costs
Search/Exam
Oct 5, 2017
Jun 7, 2017
Jun 7, 2017
Amended claims with annotations
Search/Exam
Jun 7, 2017
Amendments received before examination
Search/Exam
Jun 7, 2017
Payment of fees and costs
Search/Exam
Dec 14, 2016
Payment of fees and costs
Search/Exam
Dec 14, 2016
Payment of fees and costs
Search/Exam
Dec 14, 2016
Payment of fees and costs
Search/Exam
Dec 12, 2016
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Nov 9, 2016
Notification of forthcoming publication
Search/Exam
Oct 26, 2016
Refund of fees
Search/Exam
Oct 21, 2016
Oct 21, 2016
European search opinion
Search/Exam
Oct 21, 2016
European search report
Search/Exam
Oct 21, 2016
Information on Search Strategy
Search/Exam
Sep 20, 2016
Communication to designated inventor
Search/Exam
Sep 20, 2016
Communication to designated inventor
Search/Exam
Sep 20, 2016
Communication to designated inventor
Search/Exam
Sep 20, 2016
Communication to designated inventor
Search/Exam
Jul 4, 2016
Designation of inventor
Search/Exam
Jul 4, 2016
Letter concerning the inventor
Search/Exam
Jun 28, 2016
Abstract
Search/Exam
Jun 28, 2016
Jun 28, 2016
Annex
Search/Exam
Jun 28, 2016
Claims
Search/Exam
Jun 28, 2016
Description
Search/Exam
Jun 28, 2016
Drawings
Search/Exam
Jun 28, 2016
Request for grant of a European patent
Search/Exam
Jun 9, 2004