Patent No. EP3272812 (titled "Fiber-Reinforced Resin Composition Comprising Chemically Modified Cellulose Nanofibers And Thermoplastic Resin") was filed by Kyoto Municipal Institute OF Industrial Technology And Culture on Mar 17, 2016. The application was issued on Jun 21, 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 |
|---|---|---|
| HOFFMANN EITLE | Apr 27, 2021 | HOFFMANN EITLE |
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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