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The patent EP3270680 was granted to Kult Kress Umweltschonende Landtechnik on Sep 11, 2024. The application was filed on Dec 22, 2015 under application number EP15839097A. 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 |
|---|---|---|---|
| AMAZONEN WERKE H DREYER | Sep 11, 2019 | GRUNECKER PATENT | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1116427 |
| DESCRIPTION | EP1127481 |
| INTERNATIONAL-SEARCH-REPORT | EP1116427 |
| INTERNATIONAL-SEARCH-REPORT | EP1127481 |
| INTERNATIONAL-SEARCH-REPORT | US3082829 |
| INTERNATIONAL-SEARCH-REPORT | US4518043 |
| OPPOSITION | DE20307814U |
| OPPOSITION | DE29914006U |
| OPPOSITION | EP0407896 |
| OPPOSITION | EP1116427 |
| OPPOSITION | JP2006211942 |
| OPPOSITION | US3203487 |
| OPPOSITION | US4518043 |
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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English translation of the claims
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French translation of claims
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Decision to grant a European patent
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Notification of election of EPO
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Copy of the international search report
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Published international application - A1
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ISR: cited documents
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