Chong Kun Dang, Hanall to benefit from U.S. court ruling over Plavix

Some domestic drug manufacturers, such as Chong Kun Dang Pharmaceutical and Hanall Pharm, who are using a different salt from Sanifi-Aventis's Plavix (clopidogrel bisulfate) will strengthen their presence in local anti-coagulant market, while sales of Plavix generic makers in Korea will be affected by the recent court ruling of the United States.

A U.S. court on June 19 upheld the patent for...