Patent No. EP3587163 (titled "Work Vehicle With Electrical Energy Storage Device") was filed by Weidemann on Jun 19, 2019. The application was issued on Sep 17, 2025.

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 |
|---|---|---|
| GHOST | Apr 30, 2026 | LIPPERT STACHOW PATENTANWALTE RECHTSANWALTE PARTMBB |
| MANITOU BF | Apr 30, 2026 | LOYER & ABELLO |
| PATENTREE | Apr 30, 2026 | PATENTREE |
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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