Yesterday, Genentech, Inc., Hoffmann-LaRoche, Inc., and Chugai Pharmaceutical Co., Ltd. (“Genentech”) filed BPCIA litigation against Biogen MA Inc. and Bio-Thera Solutions, Ltd. in the District of Massachusetts. In its Complaint, Genentech asserts that Biogen is seeking FDA approval “to commercialize ‘BIIB800,’ a proposed biosimilar to Genentech’s drug Actemra® (tocilizumab).” Genentech…