Patent No. EP3074464 (titled "Process For Producing High Density Polyethylene Composition Having High Environmental Stress Crack Resistance From Post Consumer Plastic And Articles Made Of Said Composition") was filed by Totalenergies Onetech Belgium on Jul 2, 2015. The application was issued on Apr 19, 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 |
|---|---|---|
| THE DOW CHEMICAL | Jan 19, 2018 | VO |
| BOREALIS | Jan 18, 2018 | DEHNS |
| INEOS EUROPE | Jan 18, 2018 | SMITH |
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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