Type segmentation distinguishes the molecular architectures that underpin the TCR‑Based Antibody market. Bispecific TCR antibodies, engineered to bind both a peptide‑MHC complex and a tumor‑associated antigen, dominate with an estimated 65 % share, reflecting their advanced clinical‑stage pipelines and superior cytotoxic potency. TCR‑mimic antibodies, which emulate TCR recognition using conventional antibody frameworks, account for roughly 20 % of sales; they leverage established manufacturing platforms but often exhibit lower affinity for intracellular epitopes. TCR‑fusion proteins, comprising a TCR domain linked to effector moieties such as cytokines or checkpoint inhibitors, represent about 10 % and are positioned for niche indications where localized immune activation is required. Emerging formats, including multivalent scaffolds and synthetic TCR constructs, occupy the remaining 5 % and are largely confined to early‑stage research. Collectively, these type categories define the market taxonomy, with each architecture influencing development timelines, regulatory pathways, and cost structures, thereby shaping the aggregate market size. Cost modeling indicates that bispecific platforms incur higher CMC expenses, whereas TCR‑mimic products benefit from lower production overhead.