Associate Professor Douglas Guilfoyle

Associate Professor of International and Security Law
School of Humanities and Social Sciences
UNSW Canberra Cyber

Associate Professor Douglas Guilfoyle joined UNSW Canberra in 2018. His principal areas of research are maritime security, the international law of the sea, and international and transnational criminal law. Particular areas of specialism include maritime law-enforcement, the law of naval warfare, international courts and tribunals, and the history of international law.

He is the author of Shipping Interdiction and the Law of the Sea (CUP 2009) and International Criminal Law (OUP 2016); and is the editor of Modern Piracy: Legal Challenges and Responses (Elgar 2013). He has published numerous papers on maritime security and law enforcement, and in particular Somali piracy. His research work is informed by his consultancy to various government and international organisations.

He was previously a Professor of Law at Monash University, Reader in Law at University College London, and has worked as a judicial associate in the Australian Federal Court and the Australian Administrative Appeals Tribunal. He has also practised as a commercial litigation solicitor in Sydney.

He was a Gates Cambridge Trust scholar and Chevening scholar during his graduate study at the University of Cambridge.


Nagtzaam G; van Hook DE; Guilfoyle D, 2019, International Environmental Law: A Case Study Analysis, Routledge,

Guilfoyle D, 2016, International Criminal Law

Guilfoyle D, 2013, Preface

Guilfoyle D, 2013, Modern Piracy: Legal challenges and responses,

Guilfoyle D, 2009, Shipping Interdiction and the Law of the Sea, Cambridge University Press,

Book Chapters

Guilfoyle D, 2020, 'Transnational Crimes', in Heller K; Megret F; Nouwen S; Ohlin J; Robinson D (ed.), The Oxford Handbook of International Criminal Law, Oxford University Press, UK, pp. 791 - 810

Guilfoyle D; McLaughlin R, 2019, 'The Crime of Piracy', in Jalloh C; Clarke K; Nmehielle V (ed.), The African Court of Justice and Human and Peoples' Rights in Context Development and Challenges, Cambridge University Press, Cambridge, pp. 388 - 408,

Guilfoyle D, 2018, 'Somali Pirate Skiff', in International Law's Objects, Oxford University Press, USA, pp. 443 - 452,

Guilfoyle D, 2018, 'The Gulf of Tonkin Incident - 1964', in The Use of Force in International Law: A Case-Based Approach, Oxford University Press, pp. 108 - 117,

Guilfoyle D, 2017, 'Maritime Security', in Risk and the Regulation of Uncertainty in International Law, Oxford University Press, pp. 57 - 76

Guilfoyle D, 2017, '“Governing the oceans and dispute resolution: An evolving legal order?”', in Global Governance and Regulation Order and Disorder in the 21st Century, Routledge, pp. 173 - 191

Guilfoyle D, 2017, 'SS Lotus (France v Turkey) (1927)', in Landmark Cases in Public International Law, Hart Publishing, pp. 89 - 109

Guilfoyle D, 2016, 'Jurisdiction at sea: Migrant interdiction and the transnational security state', in Human Rights and the Dark Side of Globalisation Transnational Law Enforcement and Migration Control, Routledge, pp. 114 - 137,

Guilfoyle D, 2016, 'Transnational crime and the rule of law at sea: Responses to maritime migration and piracy compared', in 'Boat Refugees' and Migrants at Sea: A Comprehensive Approach Integrating Maritime Security with Human Rights, BRILL, pp. 169 - 198

Guilfoyle D, 2016, 'Maritime Security', in Law of the Sea UNCLOS as a Living Treaty, pp. 329 - 362

Rayfuse R, 2016, 'The Role of Port States', in Warner R; Kaye S (ed.), Routledge Handbook of Maritime Regulation and Enforcement, ROUTLEDGE, pp. 71 - 85,

Guilfoyle D, 2015, 'Transnational Crime', in Routledge Handbook of Maritime Regulation and Enforcement, Routledge, pp. 262 - 276

Guilfoyle D, 2015, 'The high seas', in The Oxford Handbook of the Law of the Sea, OUP Oxford, pp. 203 - 225

Guilfoyle D, 2015, 'Defending individual ships from pirates: Questions of State responsibility and immunity', in Sovereignty, Statehood and State Responsibility Essays in Honour of James Crawford, Cambridge University Press, pp. 307 - 324,

Guilfoyle D, 2015, 'The use of force against pirates', in The Oxford Handbook of the Use of Force in International Law, Oxford University Press, pp. 1057 - 1076

Guilfoyle D, 2014, 'Piracy and terrorism', in The Law and Practice of Piracy at Sea European and International Perspectives, Bloomsbury Publishing, pp. 33 - 52

Guilfoyle D, 2014, 'Counter-proliferation activities and freedom of navigation', in Freedom of Navigation and Globalization, Martinus Nijhoff Publishers, pp. 71 - 87,

Guilfoyle D, 2014, 'Piracy and suppression of unlawful acts against the safety of maritime navigation', in Routledge Handbook of Transnational Criminal Law, Routledge, pp. 364 - 378,

Murdoch A; Guilfoyle D, 2013, 'Capture and disruption operations: The use of force in counter-piracy off Somalia', in Modern Piracy: Legal Challenges and Responses, pp. 147 - 171,

Guilfoyle D, 2013, 'Introduction: Piracy, law and lawyers', in , pp. 1 - 9,

Guilfoyle D, 2013, 'Piracy off Somalia and counter-piracy efforts', in Modern Piracy: Legal Challenges and Responses, pp. 35 - 60,

Guilfoyle D, 2013, 'Policy tensions and the legal regime governing piracy', in Modern Piracy: Legal Challenges and Responses, pp. 325 - 336,

Guilfoyle D, 2013, 'Article 16: Ships owned or opened by a State', in The United Nations Convention on Jurisdictional Immunities of States and Their Property A Commentary, Oxford University Press, pp. 259 - 276

Guilfoyle D; Giles-Samson M, 2013, 'The Permanent Court of International Justice and the "invention" of international advisory jurisdiction', in Legacies of the Permanent Court of International Justice, Martinus Nijhoff Publishers, pp. 41 - 68

Guilfoyle D; Murdoch A, 2012, 'The use of lethal force in counter-piracy operations off Somalia', in Shooting to Kill Socio-Legal Perspectives on the Use of Lethal Force, Bloomsbury Publishing, pp. 239 - 262

Guilfoyle D, 2011, 'Human rights issues and non-flag state boarding of suspect ships in international waters', in Selected Contemporary Issues in the Law of the Sea, Martinus Nijhoff Publishers, pp. 83 - 104

2011, 'Chapter Five. Human Rights Issues And Non-Flag State Boarding Of Suspect Ships In International Waters', in Selected Contemporary Issues in the Law of the Sea, Brill | Nijhoff, pp. 83 - 104,

Guilfoyle D, 2010, 'The legal challenges in fighting piracy', in The International Response to Somali Piracy: Challenges and Opportunities, pp. 127 - 152,

Guilfoyle D, 2010, 'The legal challenges in fighting piracy', in The International Response to Somali Piracy: Challenges and Opportunities, pp. 127 - 152,

Journal articles

Guilfoyle D, 2020, 'Lacking Conviction: Is the International Criminal Court Broken? An Organisational Failure Analysis', Melbourne Journal of International Law, vol. 20,

Klein N; Guilfoyle D; Karim MS; McLaughlin R, 2020, 'Maritime Autonomous Vehicles: New Frontiers in the Law of the Sea', International and Comparative Law Quarterly, vol. 69, pp. 719 - 734,

Guilfoyle D, 2019, 'The rule of law and maritime security: Understanding lawfare in the South China Sea', International Affairs, vol. 95, pp. 999 - 1017,

Guilfoyle D, 2019, 'The ICC pre-trial chamber decision on jurisdiction over the situation in Myanmar', Australian Journal of International Affairs, vol. 73, pp. 2 - 8,

Nagtzaam G; Guilfoyle D, 2019, 'Ramming Speed: The Sea Shepherd Conservation Society and the Law of Protest', Monash University Law Review, vol. 44, pp. 360 - 383,

Guilfoyle D, 2018, 'The South China Sea Award: How Should We Read the un Convention on the Law of the Sea?', Asian Journal of International Law, vol. 8, pp. 51 - 63,

Guilfoyle D, 2018, 'Remarks by Douglas Guilfoyle', American Society of International Law. Proceedings of the Annual Meeting, vol. 112, pp. 7 - 10,

Guilfoyle D, 2017, 'Maritime Law Enforcement Operations and Intelligence in an Age of Maritime Security', International Law Studies, vol. 93, pp. 298 - 321,

Guilfoyle D, 2016, 'Reading the City and the City as an international lawyer: Reflections on territoriality, jurisdiction and transnationality', London Review of International Law, vol. 4, pp. 195 - 207,

Guilfoyle D, 2015, 'Maritime interdiction: what challenges lie ahead?', Revue Belge de Droit International, vol. 47, pp. 95 - 111

Guilfoyle D; Miles CA, 2014, 'Provisional measures and the mv arctic sunrise', American Journal of International Law, vol. 108, pp. 271 - 287,

Guilfoyle D, 2013, 'Prosecuting pirates: The contact group on piracy off the coast of somalia, governance and international law', Global Policy, vol. 4, pp. 73 - 79,

Guilfoyle D, 2012, 'International law and counter-piracy in the Indian Ocean', Journal of the Indian Ocean Region, vol. 8, pp. 202 - 218,

Guilfoyle D, 2012, 'Prosecuting somali pirates: A critical evaluation of the options', Journal of International Criminal Justice, vol. 10, pp. 767 - 796,

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