Patent No. EP3752510 (titled "Macrocycles As Modulators Of Cystic Fibrosis Transmembrane Conductance Regulator, Pharmaceutical Compositions Thereof, Their Use In The Treatment Of Cycstic Fibrosis, And Process For Making Them") was filed by Vertex Pharmaceuticals Incorporated on Feb 14, 2019. The application was issued on Dec 7, 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 |
|---|---|---|
| TEVA PHARMACEUTICALS | Sep 7, 2023 | 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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