Her scholarship focuses on public international law, criminal law, and comparative law. Jain is the author of Perpetrators and Accessories in International Criminal Law (Hart, 2014) and her work has appeared in numerous journals, including the American Journal of International Law, Harvard International Law Journal, Virginia Journal of International Law, and European Journal of International Law. Her research has been selected for presentation at the peer-reviewed NYU/Nottingham/Melbourne Junior Faculty Forum for International Law, the Harvard/Stanford/Yale Junior Faculty Forum, and the ASCL/Princeton/Illinois/UCLA Annual Comparative Law Workshop.