Patent No. EP3148521 (titled "Fluticasone Furoate In The Treatment Of Copd") was filed by Glaxosmithkline on May 27, 2015. The application was issued on Dec 18, 2019.

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 |
|---|---|---|
| GILL JENNINGS & EVERY | Sep 16, 2020 | GILL JENNINGS & EVERY |
| TEVA PHARMACEUTICALS | Sep 8, 2020 | 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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