Patent No. EP1885339 (titled "Formulations Of A Src/Abl Inhibitor") was filed by Bristol Myers Squibb on May 4, 2006. The application was issued on Jul 29, 2015.

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 | Apr 29, 2016 | FRESENIUS KABI DEUTSCHLAND |
| GENERICS UK | Apr 29, 2016 | ELKINGTON AND FIFE |
| AECHTER | Apr 28, 2016 | TER MEER UND PARTNER |
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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