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The patent EP3939872 was granted to Zhejiang Cfmoto Power on Mar 29, 2023. The application was filed on Oct 28, 2020 under application number EP20881094A. 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 |
|---|---|---|---|
| SEGWAY TECHNOLOGY | Aug 4, 2023 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CA2467537 |
| OPPOSITION | CN101746474 |
| OPPOSITION | CN103184956 |
| OPPOSITION | CN103291430B |
| OPPOSITION | CN110145385 |
| OPPOSITION | CN110588868 |
| OPPOSITION | CN201474756U |
| OPPOSITION | CN203612147U |
| OPPOSITION | CN205779127U |
| OPPOSITION | CN208220865U |
| OPPOSITION | CN208431055U |
| OPPOSITION | CN210310698U |
| OPPOSITION | CN210555333U |
| OPPOSITION | DE19912466 |
| OPPOSITION | DE3006705 |
| OPPOSITION | EP0875410 |
| OPPOSITION | JPS61117786U |
| OPPOSITION | JPS6414491U |
| OPPOSITION | US2002088661 |
| OPPOSITION | US2002144852 |
| OPPOSITION | US2006254849 |
| OPPOSITION | US2009038875 |
| OPPOSITION | US2016375757 |
| OPPOSITION | US4828069 |
| OPPOSITION | US6626260 |
| OPPOSITION | WO2008143836 |
| OPPOSITION | WO2020147417 |
| SEARCH | CA2467537 |
| SEARCH | JPS61117786U |
| SEARCH | JPS6414491U |
| SEARCH | US2002088661 |
| SEARCH | US2006254849 |
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.
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Description
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Appeal
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Appeal
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French translation of claims
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German translation of the claims
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended claims with annotations
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European search opinion
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Information on Search Strategy
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Letter accompanying subsequently filed items
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Supplementary European search report
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(Electronic) Receipt
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Letter concerning fees and payments
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Information on Search Strategy
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Partial European search report
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(Electronic) Receipt
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Abstract
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Claims
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Description
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