Patent No. EP3418323 (titled "Fibrous Material Impregnated With Thermoplastic Polymer") was filed by Arkema France on Jun 21, 2018. The application was issued on Nov 20, 2019.

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 |
|---|---|---|
| EVONIK OPERATIONS | Aug 20, 2020 | GODEMEYER BLUM LENZE PATENTANWALTE PARTNERSCHAFT MBB WERKPATENT |
| SGL CARBON | Aug 20, 2020 | WSL PATENTANWALTE PARTNERSCHAFT MBB |
| NASH MATTHEWS | Aug 19, 2020 | APPLEYARD LEES |
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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