The US Patent Trial and Appeal Board (PTAB) has instituted Samsung Bioepis’ inter partes review (IPR) against Regeneron’s Eylea® (aflibercept) patent no. 10,888,601 in IPR proceeding IPR2023-00739. The ‘601 patent relates to methods of use of aflibercept in treating age related macular degeneration, diabetic macular oedema, diabetic retinopathy and 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.