Law Commons^™

The "Evergreening" Metaphor In Intellectual Property Scholarship, Erika Lietzan

Faculty Publications

This article is a plea for changes in the scholarly dialogue about "evergreening" by drug companies. Allegations that drug companies engage in "evergreening" are pervasive in legal scholarship, economic scholarship, medical and health policy scholarship, and policy writing, and they have prompted significant policymaking proposals. This Article was motivated by concern that the metaphor has not been fully explained and that policymaking in response might therefore be premature. It canvasses and assesses the scholarly literature-more than 300 articles discussing or mentioning "evergreening." It catalogues the definitions, the examples, and the empirical studies. Scholars use the term when describing certain actions …