Patent No. EP3692079 (titled "Polyethylene Extrudates And Methods Of Making The Same") was filed by Exxonmobil Chemical Patents on Jul 17, 2018. The application was issued on Sep 4, 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 |
|---|---|---|
| BOREALIS | Jun 4, 2025 | KADOR & PARTNER PART MBB |
| TOTALENERGIES ONE TECH | Jun 3, 2025 | DE CLERCQ & PARTNERS |
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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