Patent No. EP3270680 (titled "Soil-Working Device; Method For The Height Guidance Of At Least One Finger-Weeder Tool Above A Row In A Row Plantation") was filed by Kult Kress Umweltschonende Landtechnik on Dec 22, 2015. The application was issued on Sep 11, 2024.

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 |
|---|---|---|
| AMAZONEN WERKE H DREYER | Sep 11, 2019 | GRUNECKER PATENT |
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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