Companies are continuously invent new products to capture the market globally. Thus major players invest more in research and development activity, in order to lead the global market. In this regards, Pfizer Inc., in 2016 announced that it has acquired Bamboo Therapeutics, Inc., in order to lead the market. This acquisition combines the technology and research development and enhance potentially life-changing therapies. PF-05280014, PF-05280586 and PF-06410293 are under biosimilars clinical trials. It is third largest contributor for the biosimilars market. Also In 2016, Teva and Celltrion announce exclusive biosimilar commercial partnership. Teva Pharmaceutical share around 20 % of total global biosimilars market.