Patent No. EP3007553 (titled "Device For Discharging Fluid And/Or Solid Active Materials And Method For Controlling Such A Device") was filed by Horsch Leeb Application Systems on Sep 18, 2014. The application was issued on Dec 28, 2022.

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 |
|---|---|---|
| HERBERT DAMMANN | Dec 1, 2017 | - |
| HARDI | Dec 1, 2017 | LAVOIX |
| AMAZONEN WERKE H DREYER | Nov 22, 2017 | 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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