Medicines losing patent protection

MonthYear

May 2027

5 medicines lose their last listed patent or exclusivity in May 2027.

May 2Lyrica CRpregabalin · Upjohn US 2 LLC
May 7Rapivabperamivir · Biocryst Pharmaceuticals Inc
May 8Aveedtestosterone undecanoate · Endo Operations Ltd
May 24Janumet XRmetformin hydrochloride and sitagliptin phosphate · Merck Sharp and Dohme LLC a sub of Merck and Co Inc
May 24Januviasitagliptin phosphate · Merck Sharp and Dohme 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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