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The patent EP3183963 was granted to Horsch Leeb Application Systems on May 16, 2018. The application was filed on Sep 18, 2014 under application number EP17156081A. 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 |
|---|---|---|---|
| AMAZONEN WERKE H DREYER | Feb 15, 2019 | GRUNECKER PATENT | ADMISSIBLE |
| HARDI | Feb 15, 2019 | LAVOIX | ADMISSIBLE |
| TOPCON POSITIONING SYSTEMS | Feb 13, 2019 | KUHNEN & WACKER PATENT UND RECHTSANWALTSBURO PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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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Filing of the translations of the claims
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Letter accompanying subsequently filed items
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Refund of fees
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Notification of forthcoming publication
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European search opinion
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European search report
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Information on Search Strategy
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Communication to designated inventor
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Communication to designated inventor
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Abstract
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Claims
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Description
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Request for grant of a European patent
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