Dr. Ameet Sarpatwari is an assistant professor of medicine at Harvard Medical School and the assistant director of the Program on Regulation, Therapeutics, and Law at Brigham and Women’s Hospital and Harvard Medical School. Stephen Morrissey, the interviewer, is the Executive Managing Editor of the Journal. S.S. Tu and A. Sarpatwari. A “Method of Use” to Prevent Generic and Biosimilar Market Entry. N Engl J Med 2023;