The US Patent Trial and Appeal Board (PTAB) has instituted Samsung Bioepis’ inter partes review (IPR) against Regeneron’s Eylea® (aflibercept) patent no. 11,253,572 in IPR proceeding IPR2023-00884. The ‘572 patent relates to methods of use of aflibercept in treating angiogenic eye disorders.
On 18 August 2023 Samsung Bioepis filed an IPR petition against Regeneron’s Eylea® patent no. 10,464,992 and sought joinder with the Celltrion IPR filed against the same Regeneron patent on 17 January 2023.