The type segmentation of the Etravirine market is principally split between branded (patented) and generic formulations. The branded segment, controlled by the original innovator, commands a premium price and delivers roughly 60 % of global revenue while representing only about 35 % of total units sold. This premium is sustained by established supply‑chain relationships, regulatory exclusivity in high‑income regions, and physician confidence in validated quality. Conversely, the generic segment entered post‑patent expiry and supplies the majority of volume—approximately 65 % of units—contributing the remaining 40 % of market value. Within generics, sub‑categories such as bulk powder for compounding and ready‑to‑use tablets further differentiate cost structures and regional uptake. Together, these type categories expand the overall Etravirine market size by capturing both high‑margin, low‑volume sales and high‑volume, price‑sensitive demand, exemplifying a detailed market taxonomy.