Patent No. EP2480606 (titled "Propylene Polymer Compositions") was filed by Basell Poliolefine Italia on Aug 26, 2010. The application was issued on May 28, 2014.

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 |
|---|---|---|
| LUMMUS NOVOLEN TECHNOLOGY | Feb 27, 2015 | LEDERER & KELLER PATENTANWALTE PARTNERSCHAFT MBB |
| TOTAL RESEARCH & TECHNOLOGY FELUY | Feb 27, 2015 | RABOIN |
| BOREALIS | Feb 16, 2015 | LUX |
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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