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The patent EP3698618 was granted to Nanjing Chervon Industry on Jan 5, 2022. The application was filed on Nov 16, 2018 under application number EP18879878A. 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 |
|---|---|---|---|
| STIGA IN BREVE ANCHE ST | Oct 5, 2022 | PGA | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| SEARCH | KR20170083817 |
| SEARCH | US2016026185 |
| SEARCH | US2016165795 |
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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Jan 18, 2022
Dec 9, 2021
Decision to grant a European patent
Search/Exam
Oct 14, 2021
(Electronic) Receipt
Search/Exam
Oct 14, 2021
Filing of the translations of the claims
Search/Exam
Oct 14, 2021
French translation of claims
Search/Exam
Oct 14, 2021
German translation of the claims
Search/Exam
Aug 23, 2021
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Intention to grant (signatures)
Search/Exam
Aug 23, 2021
Text intended for grant (clean copy)
Search/Exam
Aug 23, 2021
Jul 26, 2021
Examination started
Search/Exam
May 7, 2021
(Electronic) Receipt
Search/Exam
May 7, 2021
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Amended claims with annotations
Search/Exam
May 7, 2021
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Amended description with annotations
Search/Exam
May 7, 2021
Amendments received before examination
Search/Exam
May 7, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 17, 2020
Nov 30, 2020
Nov 30, 2020
European search opinion
Search/Exam
Nov 30, 2020
Information on Search Strategy
Search/Exam
Nov 30, 2020
Supplementary European search report
Search/Exam
Nov 17, 2020
Search started
Search/Exam
Jul 29, 2020
Notification of forthcoming publication
Search/Exam
Jun 12, 2020
Jun 10, 2020
Communication to designated inventor
Search/Exam
Jun 10, 2020
Communication to designated inventor
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Jun 10, 2020
Communication to designated inventor
Search/Exam
Jun 10, 2020
Communication to designated inventor
Search/Exam
Jun 4, 2020
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May 22, 2020
(Electronic) Receipt
Search/Exam
May 22, 2020
Abstract
Search/Exam
May 22, 2020
May 22, 2020
Amended claims with annotations
Search/Exam
May 22, 2020
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Amended description with annotations
Search/Exam
May 22, 2020
Claims
Search/Exam
May 22, 2020
Description
Search/Exam
May 22, 2020
Drawings
Search/Exam
May 22, 2020
Request for entry into the European phase
Search/Exam
Mar 27, 2020
Information on entry into European phase
Search/Exam
Jun 11, 2019
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May 23, 2019
Copy of the international search report
Search/Exam
May 23, 2019
May 23, 2019
International publication pamphlet
Search/Exam