Patent No. EP3369882 (titled "Chain Drive And Chain Station") was filed by Aumller Aumatic on Mar 2, 2018. The application was issued on Mar 13, 2024.

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 |
|---|---|---|
| GEZE | Oct 26, 2021 | MANITZ FINSTERWALD PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB |
| VKR HOLDING | Oct 20, 2021 | NORDIC PATENT SERVICE |
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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