Patent No. EP3947551 (titled "Dual Component Lldpe Copolymers With Improved Impact And Tear Resistance, And Methods Of Their Preparation") was filed by Chevron Phillips Chemical LP on Mar 16, 2020. The application was issued on Aug 21, 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 |
|---|---|---|
| TOTALENERGIES ONETECH | May 21, 2025 | MELLET |
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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