Ranbaxy admits to infringement of Purdue's Oxcontin patent in US
Thursday, December 10, 2009 08:00 IST Gireesh Babu, Mumbai
Ranbaxy Pharmaceuticals Inc, the US subsidiary of the Gurgaon-based Ranbaxy Laboratories, has reportedly admitted infringement of the US-based Purdue Pharma's patent for the blockbuster drug
