Patent No. EP3416408 (titled "Vehicle With An Interior And Method For Sound Transmission Into A Vehicle Interior Of A Vehicle") was filed by Krauss Maffei Wegmann on Jun 12, 2018. The application was issued on Aug 9, 2023.

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 |
|---|---|---|
| RHEINMETALL ELECTRONICS | Sep 2, 2021 | HKW |
| RHEINMETALL ELECTRONICS | Sep 2, 2021 | HORN KLEIMANN WAITZHOFER SCHMID DREYER PATENT UND RECHTSANWALTE PARTG MBB |
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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