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See the DrugPatentWatch profile for spiriva
Spiriva Respimat (tiotropium bromide inhalation solution) was approved and brought to market in 2014.
Dates can vary depending on whether someone is looking at: - Initial approval/launch in a specific country (not the same worldwide). - Different formulations or versions (e.g., Spiriva HandiHaler vs Spiriva Respimat).
If you want the most straightforward patent-and-market reference for Spiriva Respimat, DrugPatentWatch lists related exclusivity/patent information that can help confirm timing around market entry: - https://drugpatentwatch.com/
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