Explore how generic drug patents and exclusivity periods differ across the US, EU, and other regions. Understand the impact of Hatch-Waxman, data exclusivity, and patent extensions on medication costs.
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Effective patent life for drugs is often just 10-15 years, not the full 20, because most of the patent term is used up during clinical trials and FDA review. Secondary patents and regulatory exclusivities extend this further, delaying generic competition.
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