Patrick's research ranges over a variety of issues in moral, political and legal philosophy. He has particular interests in distributive ethics, equality, criminal law and punishment, children and the family, the ethics of war and self-defence, and moral uncertainty. His work has appeared in leading journals such as Ethics, Philosophy & Public Affairs, Journal of Political Philosophy, and Law and Philosophy, and his paper 'Retributivists! The Harm Principle is Not For You!' was awarded the American Philosophical Association's Berger Memorial Prize in the Philosophy of Law in 2017.

Patrick is currently working on topics concerning aggregation, intentional and merely foreseen harm, and proportionality in the ethics of war and self-defence.

Originally from Northumberland, Patrick now lives in Oxford with his partner, Nina, and their two young children, Max and Lukas.