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The patent EP3447137 was granted to Kinry Biotech Jinan on Aug 26, 2020. The application was filed on May 16, 2016 under application number EP16890284A. 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 |
|---|---|---|---|
| N&H DENMARK APS | May 26, 2021 | D YOUNG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CN101381716 |
| DESCRIPTION | CN101617740 |
| DESCRIPTION | CN103525797 |
| DESCRIPTION | CN103981168 |
| DESCRIPTION | CN104024406 |
| DESCRIPTION | CN104531653 |
| DESCRIPTION | EP0379606 |
| INTERNATIONAL-SEARCH-REPORT | CN104024406 |
| INTERNATIONAL-SEARCH-REPORT | CN105462950 |
| OPPOSITION | CN101857857 |
| OPPOSITION | WO03106333 |
| OPPOSITION | WO2013064736 |
| SEARCH | EP2251421 |
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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Dec 17, 2025
Dec 17, 2025
Aug 18, 2025
Aug 13, 2025
(Electronic) Receipt
Appeal
Aug 13, 2025
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Aug 5, 2025
(Electronic) Receipt
Appeal
Aug 5, 2025
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Dec 17, 2024
Dec 12, 2024
(Electronic) Receipt
Appeal
Dec 12, 2024
Dec 12, 2024
Sep 5, 2024
Aug 30, 2024
(Electronic) Receipt
Appeal
Aug 30, 2024
Aug 30, 2024
Claims
Appeal
Aug 30, 2024
Aug 30, 2024
Reply to appeal
Appeal
Apr 30, 2024
Apr 30, 2024
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Apr 22, 2024
(Electronic) Receipt
Appeal
Apr 22, 2024
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Mar 11, 2024
(Electronic) Receipt
Appeal
Mar 11, 2024
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Mar 4, 2024
Mar 4, 2024
Feb 27, 2024
(Electronic) Receipt
Appeal
Feb 27, 2024
Feb 27, 2024
Notice of appeal
Appeal
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Means of redress
OPPO
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Sep 7, 2020
Jul 30, 2020
Decision to grant a European patent
Search/Exam
Jul 17, 2020
(Electronic) Receipt
Search/Exam
Jul 17, 2020
Filing of the translations of the claims
Search/Exam
Jul 17, 2020
French translation of claims
Search/Exam
Jul 17, 2020
German translation of the claims
Search/Exam
Jul 17, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 20, 2020
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Mar 20, 2020
Intention to grant (signatures)
Search/Exam
Mar 20, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 20, 2020
Feb 3, 2020
(Electronic) Receipt
Search/Exam
Feb 3, 2020
Claims
Search/Exam
Feb 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 3, 2020
Nov 20, 2019
Nov 20, 2019
Nov 20, 2019
Intention to grant (signatures)
Search/Exam
Nov 20, 2019
Text intended for grant (clean copy)
Search/Exam
Nov 20, 2019
Sep 10, 2019
Examination started
Search/Exam
Aug 28, 2019
(Electronic) Receipt
Search/Exam
Aug 28, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 28, 2019
Priority search results
Search/Exam
Aug 28, 2019
Priority search results
Search/Exam
Aug 28, 2019
Priority search results
Search/Exam
Aug 28, 2019
Jul 18, 2019
Jun 21, 2019
(Electronic) Receipt
Search/Exam
Jun 21, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 21, 2019
Maintenance of the application
Search/Exam
Jun 3, 2019
May 15, 2019
May 15, 2019
European search opinion
Search/Exam
May 15, 2019
Information on Search Strategy
Search/Exam
May 15, 2019
Supplementary European search report
Search/Exam
Apr 29, 2019
Search started
Search/Exam
Apr 8, 2019
(Electronic) Receipt
Search/Exam
Apr 8, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 8, 2019
Matter concerning the application
Search/Exam
Jan 30, 2019
Notification of forthcoming publication
Search/Exam
Jan 17, 2019
(Electronic) Receipt
Search/Exam
Jan 17, 2019
Abstract
Search/Exam
Jan 17, 2019
Claims filed under Art.19 PCT
Search/Exam
Jan 17, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 17, 2019
Matter concerning the application
Search/Exam
Jan 17, 2019
Statement under Art. 19 PCT
Search/Exam
Nov 30, 2018
Nov 28, 2018
Notification of forthcoming publication
Search/Exam
Oct 17, 2018
Sep 21, 2018
Communication to designated inventor
Search/Exam
Sep 21, 2018
Communication to designated inventor
Search/Exam
Sep 21, 2018
Communication to designated inventor
Search/Exam
Sep 6, 2018
Sep 6, 2018
Jul 20, 2018
(Electronic) Receipt
Search/Exam
Jul 20, 2018
Jul 20, 2018
Amended claims with annotations
Search/Exam
Jul 20, 2018
Claims
Search/Exam
Jul 20, 2018
Description
Search/Exam
Jul 20, 2018
Drawings
Search/Exam
Jul 20, 2018
Request for entry into the European phase
Search/Exam
Jun 29, 2018
Information on entry into European phase
Search/Exam
Sep 12, 2017
Aug 24, 2017
Copy of the international search report
Search/Exam
Aug 24, 2017
Aug 24, 2017
International publication pamphlet
Search/Exam