Pfizer’s Viagra patent ends in Europe

June 24 2013 | By Márcio Barra

Pfizer’s patent on Viagra (Sildenafil) has expired last Saturday in 13 member states in Europe, and last Sunday in Greece. In Portugal, the patent is set to expire in January 2014. This paves the way for the European erectile dysfunction market to be flooded with generics of the blockbuster.

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