Patent No. EP3212713 (titled "Heterophasic Polypropylene With Improved Impact Strength/Stiffness Balance, Improved Powder Flowability, Reduced Emissions And Low Shrinkage") was filed by Borealis on Oct 16, 2015. The application was issued on May 18, 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 |
|---|---|---|
| BRASKEM AMERICA | Sep 12, 2019 | SONNENHAUSER |
| INEOS EUROPE | Sep 12, 2019 | SMITH |
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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