Salix Pharmaceuticals has 6 drugs losing patent protection between 2026 and 2031 in this data. The nearest is Osmoprep (sodium phosphate, dibasic, anhydrous; so) on June 22, 2028; the company listed 1 patents on it with the FDA, and that is the last one to expire.
This is the earliest date a generic could enter; it is not a guarantee one will. We calculate it as the later of the last patent the company listed with the FDA and the last regulatory exclusivity. Companies often reach settlement agreements with generic makers for a different date, and those agreements are not public in this data.
Dates from the FDA Orange Book, the official record of which patents cover
which approved drug; updated monthly. Facts only, not investment advice. Verify against the
Orange Book and primary filings. pdufa.bio is not affiliated with the FDA.
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