Patent No. EP3498548 (titled "Lifting Support Assembly With A Securing Device") was filed by Alois Kober on Dec 14, 2018. The application was issued on Sep 30, 2020.

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 |
|---|---|---|
| ERWIN HYMER GROUP | Jun 30, 2021 | MULLER SCHUPFNER & PARTNER PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB MUC |
| HPC HYDRAULICS | Jun 30, 2021 | ARNOLD & SIEDSMA |
| A LINNEPE | Jun 30, 2021 | WITTE |
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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