Tag: Hatch-Waxman Act

When Do Drug Patents Expire? Understanding the Real Timeline Behind the 20-Year Rule

By Lindsey Smith    On 20 Jun, 2026    Comments (0)

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Drug patents technically last 20 years, but market exclusivity is often shorter due to R&D time. Learn how PTA, PTE, and the Hatch-Waxman Act affect when generics arrive.

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