Patent No. EP3181345 (titled "Use Of A Polyamide-Based Composition For Hoses Intended For Carrying Oil Or Gas And Hose Made Of Such A Composition") was filed by Arkema France on Mar 7, 2008. The application was issued on May 2, 2018.

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 | Jan 24, 2019 | GODEMEYER BLUM LENZE PATENTANWALTE PARTNERSCHAFT MBB WERKPATENT |
| EVONIK OPERATIONS | Jan 24, 2019 | GODEMEYER BLUM LENZE WERKPATENT |
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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