1Law and practice of international courts and tribunals

2Investment treaty law and arbitration

3International law of sovereign debt restructuring

Monographs

• The International Law of Sovereign Debt Dispute Settlement (Cambridge Studies in International and Comparative Law Series, Cambridge University Press, September 2022), 349pp+xxx.
• Evidence before International Courts and Tribunals, Shinzansha Publications, Ltd., 2016 (in Japanese). Awarded 50th Mineichiro Adachi Medal (Mineichiro Adachi Memorial Foundation, 31 October 2017).

Journal articles and book chapters

• (with Yohei Okada and Kento Nisugi) “The sovereign function test out of thin air? The status of the central bank determined behind the scenes in Certain Iranian Assets,” Journal of International Dispute Settlement, vol. 15, no. 3(2024), September 2024, pp. 474–485.　doi:https://doi.org/10.1093/jnlids/idae010
• "Gramercy v Peru: Vintage Sovereign Land Bonds Protected by a New-Generation International Investment Agreement", ICSID Review - Foreign Investment Law Journal, Vol. 38, No. 3 (2023), pp. 547-554. DOI:https://doi.org/10.1093/icsidreview/siad031
• "Fact-Finding by Trade-off: Questions of Evidence and Its Interactions with Valuation in Compensation Cases before the International Court of Justice", Max Planck Yearbook of United Nations Law, Vol. 26 (2023), pp. 428-452.
• "Faut-il établir l’existence d’un autre différend pour que des demandes reconventionnelles soient déclarées recevables ? Une étude complémentaire sur la notion de différend devant la Cour internationale de Justice", Revue belge de droit international，2020/1， pp. 268-286．
• “Beyond Abaclat: Mass Claims in Investment Treaty Arbitration and Regulatory Governance for Sovereign Debt Restructuring”, Journal of World Investment & Trade, vol. 19, no. 2 (2018), pp. 208-247.
• “Traditional and Modern Designs for the International Law of Sovereign Debt Restructuring: A Way Forward", in Holly Cullen, Joanna Harrington and Catherine Renshaw (eds.), Experts, Networks and International Law (Cambridge University Press, 2017), pp. 230-256.
• “Parallel Universes of Investment Protection? A Divergent Finding on the Definition of Investment in the ICSID Arbitration on Greek Sovereign Debts", Law and Practice of International Courts and Tribunals, vol. 15, no. 3 (2017), pp. 471-489.
• “An Elusive Safeguard with Loopholes: Sovereign Debt and its ‘Negotiated Restructuring’ in International Investment Agreements in the Age of Global Financial Crisis", International Review of Law, Vol. 2016-3 (2016), 20 pp; republished in Transnational Dispute Management, no. 2018-1 (2018).

Miscellaneous

• “Book Review: Festschrift for Judge Hisashi Owada in Commemoration of His Retirement from the International Court of Justice (edited by Yuji Iwasawa and Masataka Okano)”, Japanese Yearbook of International Law 2024, Vol. 67, February 2025, pp. 501–506.
• “The Azerbaijan–Armenia Lawfare Goes Ahead: Contrasting the Twin Judgements on Preliminary Objections within the Constellation of Inter-State Legal Proceedings,” CIL Dialogues, 21 January 2025.
• "Sovereign defaults during and after the Russian invasion of Ukraine", Cambridge University Press Blog Fifteeneightyfour，25 October 2022
• "Mass Claims", Jus Mundi- Wiki Notes (June 2020) at https://jusmundi.com/en/document/wiki/en-mass-claims
• “European Communities—Customs Classification of Frozen Boneless Chicken Cuts, WT/DS269/AB/R, WT/DS286/AB/R, Appellate Body Report (adopted on 27 September 2005)”, Oxford Reports on International Law (ITL 100, 2016).
• “Korea—Definitive Safeguard Measure on Imports of Certain Dairy Products, WT/DS98/AB/R, Appellate Body Report (adopted on 12 January 2000)”, Oxford Reports on International Law (ITL 064, 2015).
• “Tax Base Erosion and Profit Shifting (BEPS) and International Economic Law”, Centre for Trade and Economic Integration (CTEI) Working Papers, no. 2013-2 (Geneva: The Graduate Institute, 2013), 82 pp (with Isabel Lamers and Pauline Mcharo).