Pfizer Accuses Guangzhou Welman Of Copyright Infringement

Pfizer sued Guangzhou Welman for alleged copyright infringement of Viagra reports Forbes. I wonder why Pfizer’s allegations focused on copyright infringement instead of patent infringement, or both. Or is copyright used mistakingly as the prototype of an intellectual property? Read more here In 2001 Pfizer obtained a Chinese patent license for ViagraJuly 2004 SIPO’s Patent […]