Patent protection and expiration is one of the hot topics in the healthcare industry. Patent protection results in high sales and profits for the initial developers and innovators of the drugs, and as per various estimates, the gross profit margins for the Patent protected drugs exceed 90% in some cases. However, the patent expiration brings challenges to the initial developer due to the entry of generic competitors in the market. Drug patent expiration benefits manufacturers other than the initial developer to introduce lower-priced generic versions. The generics version of the drugs is observed to be nearly 20-30% less price than the branded & patented products....