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Amgen Chooses To Settle In US Soliris IPR Tussle

Victory Could Have Led To 2022 Market Entry

 
• By Dean Rudge

Amgen’s burgeoning biosimilar presence continues to grow apace and now the company has eyes firmly on the US market for eculizumab after brokering a deal with originator Alexion. The biosimilars developer chose to settle on three of Alexion’s patents ahead of a trial later this year.

2025_Dial
A successful IPR challenge could have led Amgen to potential market entry in 2022 or 2023 • Source: Shutterstock

Amgen has reached a settlement with Alexion Pharmaceuticals in patent-litigation proceedings over Soliris (eculizumab), picking up the rights to launch Amgen’s ABP 959 eculizumab biosimilar in the US from 1 March 2025, around two years ahead of various Soliris patents expiring.

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