Patent No. EP2692746 (titled "Ethylene Polymer, Process For Producing Ethylene Polymer, Process For Producing Polymerization Catalyst, And Hollow Plastic Molding Comprising Ethylene Polymer And Use Thereof") was filed by Japan Polyethylene on Mar 29, 2012. The application was issued on Nov 30, 2016.

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 | Aug 30, 2017 | BOULT WADE TENNANT |
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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