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Patent No. EP3242806 (titled "Composite Part And Air Spring Component Containing Such A Composite Part") was filed by Vibracoustic on Nov 18, 2015. The application was issued on Jul 16, 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 |
|---|---|---|
| CONTINENTAL AUTOMOTIVE | Apr 14, 2022 | CONTINENTAL |
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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