Nov 082017
 

By HU Yuanqiong  – Advocates of access to medicines movement would not feel unfamiliar with the issue of patent evergreening on chemical medicines while monopoly could get prolonged through applying for multiple patents on small changes of the same medicine. The similar tricks have also been practiced on other medical products, such as vaccines. As a traditional public health intervention, vaccines have been costing more money in recent years when a couple of newer generation of products are exhausting governments’ budgets largely due to their monopoly situations. Recent researches have suggested that patent thicket and evergreening, among others, have played an instrumental role. Continue reading »

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