AbbVie earns revenue from patented and specialty medicines sold globally through healthcare systems, insurers, distributors, specialists, hospitals, and aesthetics providers. Immunology is the largest segment, supported by neuroscience, oncology, aesthetics, eye care, and other therapeutics. AbbVie's business model is structured around leveraging high-margin, blockbuster specialty medicines to fund expansive research and development and aggressive strategic acquisitions. For years, this model was overwhelmingly reliant on Humira, the world's best-selling drug. However, anticipating the inevitable loss of exclusivity, AbbVie proactively evolved its business model through diversification. Today, the model relies on a balanced portfolio strategy spanning immunology (Skyrizi and Rinvoq), hematologic oncology (Imbruvica and Venclexta), neuroscience (Vraylar and Qulipta), and aesthetics (Botox and Juvederm). This diversified approach mitigates the risk associated with patent cliffs and generic competition. the inclusion of the aesthetics portfolio provides an unique, largely cash-pay revenue stream that is less susceptible to traditional pharmaceutical pricing pressures and government reimbursement constraints. The company continually reinvests its significant cash flow into targeted acquisitions and clinical partnerships, ensuring a steady pipeline of next-generation therapies to sustain long-term revenue growth and support a robust dividend return strategy for investors. This strategic alignment ultimately provides significant resilience against unforeseen market disruptions and generic pressures. AbbVie Inc., also known as AbbVie, is an American pharmaceutical company headquartered in North Chicago, Illinois. AbbVie produces drugs to treat a wide range of medical issues.