Pfizer Loses Sildenafil Patent Rights to Korean Companies

SEOUL, Apr. 29 (Korea Bizwire) — The Supreme Court of Korea has ruled against Pfizer Ireland Pharmaceuticals, which sued six Korean pharmaceutical companies for violation of patent rights related to Sildenafil, a main ingredient in the production of impotency drugs. The court said on April 28 that the six companies, including CJ CheilJedang and Hanmi [...]