Patent No. EP4197530 (titled "Ribociclib Tablet") was filed by Novartis on Apr 14, 2016. The application was issued on Nov 12, 2025.

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 |
|---|---|---|
| ADALVO | Aug 12, 2026 | SLAVIK |
| STADA ARZNEIMITTEL | Aug 12, 2026 | HAMM & WITTKOPP |
| GENERICS UK | Aug 11, 2026 | ELKINGTON AND FIFE |
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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