Samsung Bioepis, the joint venture between Samsung BioLogics and Biogen, has won US Food and Drug Administration approval for Eticovo (etanercept-ykro), the second approved US biosimilar rival to Amgen’s Enbrel. The originator immediately sued for patent infringement in a bid to protect its best-selling brand, which generated $4.81bn of its $5.01bn total turnover last year in the US. Samsung Bioepis has not announced a US launch date for the tumor necrosis factor (TNF) inhibitor.
In the suit brought in a New Jersey district court by Amgen and its partner Roche on 29 April,...





