Abbott, Dr Reddy`s in patent spat over seizure drug
Pb Jayakumar / Mumbai July 18, 2008, 0:40 IST US-based Abbot Laboratories has filed a suit against Dr Reddy's Laboratories for infringing the patent of Depakote ER, an anti-seizure or epilepsy drug with sales of over $1.48 billion (more than s 6,000 crore) in the American market.