Janssen R&D, LLC

American pharmaceutical research and development company, the research arm of the Janssen pharmaceutical companies of Johnson & Johnson, with sites at Raritan and Titusville in New Jersey, Spring House in Pennsylvania, San Diego in California and Beerse in Belgium. Runs discovery, translational science, clinical development, regulatory affairs and medical affairs for medicines in oncology, immunology, neuroscience, infectious diseases and vaccines, cardiovascular and metabolic disease and pulmonary hypertension; the Janssen name was retired in 2023 when the business became Johnson & Johnson Innovative Medicine.