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Analysis

From evergreening to thicketing: exploring the manipulation of pharma patents

The drug patent system was created to reward pharma companies for innovation and ensure returns on investment, but increasingly companies are manipulating the system using techniques like ‘evergreening’ and ‘thicketing’ to extend exclusivity for drug and prevent generic competition. What are the consequences of these manipulative practices on access and could the system be reformed to reduce this negative impact?

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