The U.S. market sees biosimilars for nine types, with FDA approvals in two more. Byooviz competes with Lucentis; Humira biosimilars expected in 2023. Cardinal Health predicts biosimilars for Actemra, Stelara, Eylea, Simponi by 2024, Soliris, Prolia by 2025, and Enbrel by 2029. Recent biosimilars achieve 74% market share, indicating growing acceptance and potential savings.