Ranbaxy Laboratories' US arm has received a notice from Watson Laboratories, challenging the patent of acne treatment drug Absorica.

According to an analyst, the launch of Absorica would greatly benefit Ranbaxy as there are only 2-3 players currently selling the product i...

The US drug regulator will have a final review of the drug on May 29, it said.Cipher specialises in developing improved formulations of exi...