Patent No. EP2146704 (titled "Use Of A Composition Comprising Formoterol And Beclometasone Dipropionate For The Prevention And/Or Treatment Of An Exacerbation Of Asthma") was filed by Chiesi Farmaceutici on Apr 16, 2008. The application was issued on Mar 23, 2016.

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 |
|---|---|---|
| SIMA PATENT VE LISANSLAMA HIZMETLERI LTD.STI. | Dec 20, 2016 | GILL JENNINGS & EVERY |
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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