The US Patent Trial and Appeal Board (PTAB) has instituted three of Samsung Bioepis’ inter partes reviews (IPR) petitions challenging Alexion’s Soliris® (eculizumab) patent nos. 9,725,504, 9,718,880 and 9,732,149 in IPR proceedings IPR2023-00999, IPR2023-00998 and IPR2023-0...

