Patent No. EP1929058 (titled "Use Of A Steel Composition For The Production Of An Armouring Layer Of A Flexible Pipe And The Flexible Pipe") was filed by National Oilwell Varco Denmark IS on Mar 14, 2006. The application was issued on Sep 27, 2017.

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 |
|---|---|---|
| TECHNIP FRANCE | Jun 27, 2018 | LAVOIX |
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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