Linvoseltamab (Lynozyfic™) is a human B cell maturation antigen (BCMA)×cluster of differentiation (CD) 3 bispecific antibody that binds to both BCMA and CD3 to direct T cells against malignant B cells. Linvoseltamab is being developed by Regeneron Pharmaceuticals, Inc. for multiple indications including multiple myeloma and received its first approval on 28 Apr 2025 in the EU. This article summarises the milestones in the development of linvoseltamab leading to this first approval in the EU as monotherapy for the treatment of adult patients with relapsed/refractory multiple myeloma who have received ≥ 3 prior therapies, including a proteasome inhibitor, an immunomodulatory agent and an anti-CD38 monoclonal antibody, and have demonstrated disease progression on the last therapy.