Tag: drug patent expiration

When Do Drug Patents Expire? Understanding the 20-Year Term and Real-World Timelines
Lee Mckenna 0 28 December 2025

When Do Drug Patents Expire? Understanding the 20-Year Term and Real-World Timelines

Drug patents last 20 years from filing, but most drugs have only 7-12 years of market exclusivity due to lengthy approval processes. Patent extensions, regulatory exclusivities, and litigation shape when generics can enter.