Associate Professor

JSD (Yale), LL.M. (Yale), LL.M. (VUW), B.A. LL.B. (University of Auckland)

Deputy Director, Centre for Legal Theory
Email Address:
Office Tel: (65) 6601-2997 
Office Fax: (65) 6779-0979 
Office Address

Faculty of Law, National University of Singapore
Eu Tong Sen Building
469G Bukit Timah Road
Singapore 259776
Research Interests

Legal Pluralism
International Law
Private Law Theory
Indigenous Law
Constitutional Theory

Subjects Taught

Foundations of Legal Theory
Equity and Trusts

Brief Biodata

Nicole joined the Faculty in June 2013, having held appointments as Temporary Lecturer in Jurisprudence at the University of Cambridge, Teaching Officer at Trinity College Cambridge, Adjunct Lecturer at the University of Kent at Brussels, and Lecturer at Victoria University of Wellington, New Zealand.

Nicole's current research lies in general jurisprudence and pluralist jurisprudence. She is the author of Authorities: Conflicts, Cooperation, and Transnational Legal Theory, published by Oxford University Press in 2013. Nicole's major works in progress include a monograph entitled Officials, also to be published by OUP, an edited collection on The Pursuit of Pluralist Jurisprudence (with Andrew Halpin), and a project on Philosophy of Indigenous Laws.

Representative Publications

1. N Roughan, 'Mind the Gaps: Authority and Legality in International Law' 27(2) European Journal of International Law (2016) 329-351.

2. N Roughan, 'Relativity under Review: A response to commentators on Authorities (Book Symposium); 40 (2015) Australian Journal of Legal Philosophy 212-228

3. N Roughan, 'Normativity and the Sources of International Law,' (forthcoming in Besson and d'Aspremont, Eds, Oxford Handbook on the Sources of International Law

4. N Roughan, 'From Authority to Authorities: Bridging the Normative/Sociological Divide' (forthcoming in Cotterrell and Del Mar, Eds, Authority in Transnational Legal Theory Edward Elgar)

5. N Roughan, Authorities: Conflict, Cooperation, and Transnational Legal Theory Oxford University Press (August 2013).

6. N Roughan, 'The Relative Authority of Law: A Contribution to 'Pluralist Jurisprudence'' in New Waves in Philosophy of Law, Palgrave Macmillan (2011) pp.254-273.

Publication List