Patent No. EP4019583 (titled "Polyethylene Composition For Film Applications With Improved Toughness And Stiffness") was filed by ABU Dhabi Polymers Borouge on Dec 28, 2020. The application was issued on Apr 10, 2024.

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 9, 2025 | 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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