The Immunoglobulin Fusion Protein segmentation by Application reveals two dominant therapeutic areas: autoimmune diseases and oncology. Autoimmune disorders, such as rheumatoid arthritis and multiple sclerosis, account for approximately 55% of the market, driven by the need for targeted immune modulation. These proteins function by binding to pro-inflammatory cytokines or T-cell receptors, reducing systemic inflammation. Conversely, oncology applications, comprising 45% of the market, leverage immunoglobulin fusion proteins to enhance immune checkpoint blockade or deliver targeted cytotoxic agents. The oncology segment is expanding due to rising cancer incidence and advancements in immuno-oncology therapies. Together, these applications define the marketโs trajectory, with autoimmune therapies dominating short-term growth while oncology represents long-term potential, reflecting the dual therapeutic versatility of the technology.