Patent No. EP2837936 (titled "Method For Analysing A Cork Stopper For The Presence Of 2,4,6-Trichloroanisole And Device For Implementing Same") was filed by Cevaqoe Invest on Aug 6, 2014. The application was issued on Nov 25, 2020.

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 |
|---|---|---|
| POSSER DE ANDRADE | Jul 11, 2018 | DO NASCIMENTO GOMES |
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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