 Youm's law review articles have been cited by American and foreign courts, including the House of Lords in Great Britain, the Supreme Court of Canada, and the High Court of Australia, and in congressional testimonies on freedom of expression.In addition, his media law research has been used by American and international lawyers in representing their clients in press freedom litigation.As a member of the Communication Law Writers Group, Youm has been involved in writing "Communication and the Law," a widely used media law college textbook in the United States.