Patent No. EP2684187 (titled "Automotive Noise Attenuating Trim Part") was filed by Autoneum Management on Mar 9, 2011. The application was issued on May 13, 2015.

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 |
|---|---|---|
| AUTOMOTIVE COMPONENTS GROUP | Feb 15, 2016 | LIESEGANG |
| FAURECIA AUTOMOTIVE INDUSTRIE | Feb 11, 2016 | LAVOIX |
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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