Patent No. EP3605784 (titled "Supporting Device With Energy Accumulator And Electric Converter") was filed by Wacker Neuson Produktion on Jul 30, 2019. The application was issued on Mar 29, 2023.

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 |
|---|---|---|
| STANLEY BLACK & DECKER | Jan 2, 2024 | SBD IPADMIN |
| HUSQVARNA | Dec 20, 2023 | - |
| MILWAUKEE ELECTRIC TOOL | Dec 20, 2023 | 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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