Patent No. EP2337665 (titled "Injection Stretch Blow-Molding Process For The Preparation Of Polyethylene Containers, Preform And Bottle") was filed by Basell Polyolefine on Oct 2, 2009. The application was issued on Dec 14, 2022.

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 BELGIUM | Feb 27, 2015 | RABOIN |
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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