Patent No. EP2890727 (titled "Method Of Making A Bottle Made Of Fdca And Diol Monomers And Apparatus For Implementing Such Method") was filed by Socit Anonyme DES Eaux Minrales Devian ET EN Abrg Saeme on Aug 31, 2012. The application was issued on Sep 28, 2022.

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 |
|---|---|---|
| E I DU PONT DE NEMOURS | Dec 22, 2017 | MEWBURN ELLIS |
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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