Pfizer sues to block Viagra generic

18-03-2014

Pfizer sues to block Viagra generic

Photo: Piotr Kowalski / Shutterstock.com

Pfizer has filed patent infringement suits against India-based Torrent Pharmaceuticals in an attempt to stop it selling a generic version of erectile dysfunction drug Viagra (sildenafil citrate).


Pfizer, Torrent Pharmaceuticals, Viagra, patent infringement

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