Patent No. EP2429883 (titled "Frame, Cycle, Steering Lock Mechanism, Clamping Mechanism, Lock Chain Guide And Luggage Carrier") was filed by Dutchband on May 12, 2010. The application was issued on Jul 19, 2017.

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 |
|---|---|---|
| IRIDING XIAMEN TECHNOLOGY | Jan 12, 2018 | 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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