Patent No. EP2880126 (titled "Process For Hydrotreatment And Hydroisomerization Of Feedstocks Resulting From Biomass In Which The Effluent To Be Hydrotreated And The Hydrogen Stream Contain A Limited Carbon Monoxide Content") was filed by IFP Energies Nouvelles on Jul 11, 2013. The application was issued on Dec 21, 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 |
|---|---|---|
| NESTE OYJ | Aug 2, 2017 | ZACCO DENMARK |
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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