Patent No. EP2771382 (titled "A Process For Preparing A Polymer Product Having A 2,5-Furandicarboxylate Moiety Within The Polymer Backbone To Be Used In Bottle, Film Or Fibre Applications") was filed by Furanix on Oct 24, 2012. The application was issued on Jan 3, 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 |
|---|---|---|
| PURAC BIOCHEM | Oct 1, 2018 | DE VRIES & METMAN |
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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