Halozyme Therapeutics Inc is a biotechnology company focused on developing and commercializing novel oncology therapies. The company seeks to create therapies focused on human enzymes that alter tumors. Halozyme focuses on developing its proprietary products in therapeutic areas with a focus on oncology, and licensing its technology to biopharmaceutical companies to collaboratively develop products. ENHANZE drug delivery technology was introduced with the proprietary enzyme rHuPH20, to facilitate the subcutaneous delivery of injected drugs and fluids, with the goal of improving the patient experience with rapid SC delivery and reduced treatment burden. The company's operations are based in the United States, with minimal long-lived assets located internationally.