Patent No. EP4208394 (titled "Packaging With Paper Material") was filed by Koehler Innovation & Technology on Sep 6, 2021. The application was issued on Dec 25, 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 |
|---|---|---|
| MAUCHER JENKINS PATENTANWALTE & RECHTSANWALTE | Sep 23, 2025 | MERTZLUFFT PAUFLER |
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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