Patent No. EP2132030 (titled "Use Of A Polyamide Based Composition For Flexible Pipes For Conveying Crude Oil Or Gas And Flexible Pipe Using Such Composition") was filed by Arkema France on Mar 7, 2008. The application was issued on Dec 10, 2025.

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 | Nov 21, 2017 | GODEMEYER BLUM LENZE PATENTANWALTE PARTNERSCHAFT MBB 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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