Patent No. EP3087135 (titled "Propylene-Based Compositions Of Enhanced Appearance And Excellent Mold Flowability") was filed by Braskem America on Dec 23, 2014. The application was issued on Nov 11, 2020.

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 | Jul 8, 2021 | GARCIA MARTIN |
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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