Patent No. EP3439662 (titled "Liquid Formulations Of (S)-N-(5-((R)-2-(2,5-Difluorophenyl)-Pyrrolidin-1-Yl)-Pyrazolo[1,5-A]Pyrimidin-3-Yl)-3-Hydroxypyrrolidine-1-Carboxamide") was filed by Loxo Oncology on Apr 4, 2017. The application was issued on Jul 24, 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 |
|---|---|---|
| SYNTHON | Apr 11, 2025 | HAMM & WITTKOPP |
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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