Dr Reddy's Laboratories today fell by a little over 5% on Bombay Stock Exchange (BSE) amid media reports that a US drug maker has sued the company for patent infringement.
The pharma major closed 5.07% down at Rs 1,599.20 on the BSE. During intra-day trade, it had shed 6.26% to Rs 1,579 a piece.
Besides, the scrip closed 4.64% lower at Rs 1,605 on the National Stock Exchange.
According to media reports, New Jersey-based Medicines Co has filed a suit in a US court alleging that Dr Reddy's is infringing its patent to make the generic version of bivalirudin, a drug used as an anticoagulant in angioplasty procedures.
Meanwhile, the BSE benchmark Sensex today closed 65.33 points, or 0.35% down at 18,469.36.
