Medicines losing patent protection

MonthYear

January 2026

6 medicines lost their last listed patent or exclusivity in January 2026.

Jan 13Promactaeltrombopag olamine · Novartis Pharmaceuticals Corp
Jan 13Promacta Kiteltrombopag olamine · Novartis Pharmaceuticals Corp
Jan 20Soluprep Schlorhexidine gluconate and isopropyl alcohol · Solventum US LLC
Jan 26Primatene Mistepinephrine · Armstrong Pharmaceuticals Inc
Jan 31Revatio · Solution (intravenous)sildenafil citrate · Viatris Specialty LLC
Jan 31Revatio · For suspension (oral)sildenafil citrate · Viatris Specialty LLC

Dates are the patent and exclusivity end dates listed in the FDA's Orange Book, in its data up to October 9, 2026. Patents can be extended, challenged in court or settled, so a generic may come earlier, later or not at all. This is not legal or medical advice.

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