FILE – In this March 13, 2012 file photo, Indian scientists work inside a laboratory of the Research and Development Centre of Natco Pharma Ltd., in Hyderabad, India. India's patent appeals office ... more 
FILE – In this March 13, 2012 file photo, Indian scientists work inside a laboratory of the Research and Development Centre of Natco Pharma Ltd., in Hyderabad, India. India's patent appeals office on Monday, March 4, 2013, rejected international drug maker Bayer AG's plea to stop Indian company Natco Pharma Ltd. from manufacturing a cheaper generic version of a patented cancer drug. (AP Photo/Mahesh Kumar A., File) less 
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Associated Press | Photo By Mahesh Kumar A., File
Tue, Mar 5, 2013 11:18 AM EST