Patent No. EP3615518 (titled "Process For The Manufacture Of Vortioxetine Hbr Alpha-Form") was filed by H Lundbeck on Apr 20, 2018. The application was issued on Dec 15, 2021.
A process for synthesizing a specific crystalline form of vortioxetine hydrobromide (α-form) used in pharmaceuticals. The process involves dissolving vortioxetine in highly pure toluene, followed by crystallization and drying steps. The resulting crystalline vortioxetine hydrobromide α-form can be used in pharmaceuticals to potentially improve factors like solubility and bioavailability.

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 |
|---|---|---|
| GENERICS UK | Sep 15, 2022 | 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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