The global annual revenue for biopharmaceuticals has been growing consistently since 2001, accounting for 15.6% of the total pharmaceutical market in 2011. The global biopharmaceutical market was valued at US$138 billion in 2011 and is expected to surpass $320 billion by 2020 (1). The market for recombinant proteins now exceeds $100 billion, a milestone attained in 2011. Figure 1:  ()   Much of the growth in biopharmaceutical revenue is due to an increasing number and sales of recombinant…