Patent No. EP2393477 (titled "Use Of A Glucocorticoid Composition For The Treatment Of Severe And Uncontrolled Asthma") was filed by Activaero on Feb 3, 2010. The application was issued on Dec 27, 2017.

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 |
|---|---|---|
| TEVA UK | Sep 26, 2018 | GILLARD |
| TEVA PHARMACEUTICALS | Sep 26, 2018 | ELKINGTON AND FIFE |
| TEVA PHARMACEUTICALS | Sep 26, 2018 | ELKINGTON & 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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