India revokes yet another pharmaceutical patent owned by a foreign multinational, with Merck...

|About: Merck & Co Inc. (MRK)|By:, SA News Editor
India revokes yet another pharmaceutical patent owned by a foreign multinational, with Merck (MRK) losing protection for an asthma treatment after domestic drug-maker Cipla challenged an earlier decision. Pfizer, Roche and Novartis are among those to have experienced patent trouble in the country. (previous)