Patent No. EP2068839 (titled "Pharmaceutical Compositions Comprising Nilotinib Or Its Salt") was filed by Novartis on Sep 25, 2007. The application was issued on Oct 12, 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 |
|---|---|---|
| FRESENIUS KABI DEUTSCHLAND | Jun 23, 2016 | FRESENIUS KABI DEUTSCHLAND |
| MEDAC GESELLSCHAFT FÜR KLINISCHE SPEZIALPRÄPARATE MBH | Jun 23, 2016 | UEXKULL & STOLBERG |
| GENERICS UK | Jun 22, 2016 | ELKINGTON AND FIFE |
| STRAWMAN | Jun 22, 2016 | D YOUNG |
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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