Samsung Bioepis files IPR against Alexion alleging invalidity of Soliris® (eculizumab) patent

Jun 21, 2023

Samsung Bioepis has filed an IPR in the US against Alexion’s Soliris® (eculizumab) patent 10,703,809 (’809 patent) advocating that all claims of the ‘809 patent are obvious in light of the prior art (including patent applications, a granted patent, manuscripts and a journal article).

On the same day, Samsung Bioepis also filed an IPR against Janssen’s Stelara® (ustekinumab) patent no. 10,961,307 (‘307 patent), addressed here

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