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The patent EP3421665 was granted to Qingdao Bellinturf Industrial on Nov 27, 2019. The application was filed on Sep 27, 2017 under application number EP17193385A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| COCREATION GRASS | Aug 23, 2021 | VALET PATENT SERVICES | INTERVENTION |
| BFS EUROPE | Aug 27, 2020 | DE CLERCQ & PARTNERS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | AU2010212281 |
| OPPOSITION | AU2011101368B |
| OPPOSITION | AU2011101368 |
| OPPOSITION | CN105064170B |
| OPPOSITION | CN105064170 |
| OPPOSITION | CN201551819U |
| OPPOSITION | CN204417960U |
| OPPOSITION | EP1837423 |
| OPPOSITION | EP3469142 |
| OPPOSITION | JP2010163760 |
| OPPOSITION | JP2014047596 |
| OPPOSITION | JP5960557B |
| OPPOSITION | US2001033902 |
| OPPOSITION | US2007237921 |
| OPPOSITION | US2013344331 |
| OPPOSITION | US3346916 |
| OPPOSITION | WO2006100543 |
| OPPOSITION | WO2009005375 |
| OPPOSITION | WO2015175786 |
| SEARCH | AU2011101368 |
| SEARCH | JP2014047596 |
| SEARCH | US2007237921 |
| SEARCH | US2015167254 |
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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Jan 15, 2025
Refund of fees
Search/Exam
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Appeal
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Withdrawal of an appeal
Appeal
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Appeal
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Decision to grant a European patent
Search/Exam
Oct 23, 2019
Refund of fees
Search/Exam
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(Electronic) Receipt
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Oct 15, 2019
Filing of the translations of the claims
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Oct 15, 2019
French translation of claims
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Oct 15, 2019
German translation of the claims
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Oct 15, 2019
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Sep 19, 2019
Text intended for grant (clean copy)
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Sep 19, 2019
Aug 9, 2019
Examination started
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Notification of forthcoming publication
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Letter accompanying subsequently filed items
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Amended claims with annotations
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Aug 29, 2018
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Aug 29, 2018
Letter accompanying subsequently filed items
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European search opinion
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European search report
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Apr 11, 2018
Information on Search Strategy
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Mar 26, 2018
Search started
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Nov 20, 2017
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Oct 25, 2017
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Sep 29, 2017
(Electronic) Receipt
Search/Exam
Sep 29, 2017
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Letter accompanying subsequently filed items
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Sep 29, 2017
Matter concerning the application
Search/Exam
Sep 27, 2017
(Electronic) Receipt
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Sep 27, 2017
Abstract
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Sep 27, 2017
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Claims
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Sep 27, 2017
Description
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Sep 27, 2017
Designation of inventor
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Sep 27, 2017
Drawings
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Sep 27, 2017
Letter accompanying subsequently filed items
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Sep 27, 2017
Request for grant of a European patent
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