In the pharmaceutical industry, a lot of research study, time, workforce and money enters into R&D for the advancement of novel medications and bringing them into market. If the advancements are not safeguarded with an appropriate fencing of integrated technologies after that common companies would manipulate the development without providing much advantage to the pioneer business. It is necessary for the trendsetter company to use for license protection at the very least in those geographical areas where the trendsetter company wishes to market their item, preserve monopoly and avoid their competitors getting in right into the market till the patent term for the advancement expires. This write-up goes over different strategies used by the trendsetter business in United States to expand the life of the patent and also getting market exclusivity for the pharmaceutical product.