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Patents and Trademarks: empirical evidence on 'evergreening' from Australia

Moir, Hazel V J; Palombi, Luigi


Evergreening is a strategy employed by pharmaceutical companies to extend patent protection around their branded medicines beyond 25 years. It involves claiming modifications to the original active pharmaceutical ingredient (API) as separate "inventions" to extend the period during which pharmaceutically equivalent products are denied market entry. Evergreening refers only to patents taken out by the company owning the original API. Similar improvement/modification patents taken out by other...[Show more]

CollectionsANU Research Publications
Date published: 2013-12-06
Type: Conference paper
Source: Asia-Pacific Journal of Accounting & Economics (APJAE)


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