Generic Viagra developers queue up, but may have to wait
Mar 15, 2012
As the main patent for Viagra, the world’s bestselling anti-impotence pill, nears its expiration, Korean pharmaceutical companies are gearing up to push generics into the market. However, their efforts may hit a snag as Pfizer, the maker of the drug, holds a separate patent for it’s main use. According to the Korea Food and Drug Administration, three out of 29 companies that have applied to sell generic Viagra have passed testing to show that the products are equivalent. The name of their produc