Peter Tzeng

Associate - Washington, D.C.

Peter Tzeng
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Peter Tzeng is an associate in the firm’s International Litigation & Arbitration Department. He exclusively advises and represents countries (sovereign States) on matters of public international law and international investment law. A recipient of the Diploma of The Hague Academy of International Law and a former law clerk of the International Court of Justice, he speaks all six official languages of the United Nations (Arabic, Chinese, English, French, Russian, Spanish) at varying levels of proficiency.

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Education:

  • The Hague Academy of International Law, Diploma, Public International Law, 2017
  • Yale Law School, J.D., 2016
  • Princeton University, A.B., summa cum laude, 2011

Languages:

Arabic, Chinese (Mandarin), English, French, Russian, Spanish

Representative Experience

Public International Law – ICJ Litigation Experience

  • Bahrain, Egypt, Saudi Arabia, UAE v. Qatar (Appeal under the Chicago Convention): Representing Qatar in an ICJ litigation concerning international aviation law.
  • Bahrain, Egypt, UAE v. Qatar (Appeal under IASTA): Representing Qatar in an ICJ litigation concerning international aviation law.
  • Qatar v. UAE (Application of CERD): Representing Qatar in an ICJ litigation concerning international human rights law.
  • Advisory Opinion (Separation of the Chagos Archipelago from Mauritius): Assisting in the representation of Mauritius in an ICJ advisory proceeding concerning the law of decolonization.
  • Nicaragua v. Colombia (Alleged Violations of Sovereign Rights and Maritime Spaces in the Caribbean Sea): Representing Nicaragua in an ICJ litigation concerning the law of the sea.
  • Nicaragua v. Colombia (Delimitation of the Continental Shelf beyond 200 nautical miles): Assisting in the representation of Nicaragua in an ICJ litigation concerning the law of the sea.
  • DRC v. Uganda (Armed Activities): Assisting in the representation of Uganda in an ICJ litigation concerning international reparations law.

Public International Law – ICJ Clerkship Experience

  • Costa Rica v. Nicaragua (Maritime Delimitation in the Caribbean Sea and the Pacific Ocean): Provided legal assistance in an ICJ litigation concerning the law of the sea.
  • Costa Rica v. Nicaragua (Land Boundary in the Northern Part of Isla Portillos): Provided legal assistance in an ICJ litigation concerning the law of territorial sovereignty.
  • India v. Pakistan (Jadhav Case): Provided legal assistance in an ICJ litigation concerning international diplomatic law.
  • Ukraine v. Russia (Application of the ICSFT and of CERD): Provided legal assistance in an ICJ litigation concerning international human rights law.
  • Equatorial Guinea v. France (Immunities and Criminal Proceedings): Provided legal assistance in an ICJ litigation concerning international immunity law.
  • Somalia v. Kenya (Maritime Delimitation in the Indian Ocean): Provided legal assistance in an ICJ litigation concerning the law of the sea.

Public International Law – Arbitration Experience

  • Philippines v. China (South China Sea): Assisted in the representation of the Philippines in a PCA UNCLOS arbitration concerning the law of the sea.

 Public International Law – Advisory Experience

  • Advising an Asian country on matters concerning the law of the sea (confidential).
  • Advised an Asian country on matters concerning international environmental law (confidential).
  • Advised an Asian country on matters concerning international dispute settlement (confidential).
  • Advised a Latin American country on matters concerning the law of territorial sovereignty and the law of the sea (confidential).

International Investment Law – Arbitration Experience

  • Nissan v. India: Representing India in a PCA UNCITRAL arbitration concerning the automobile industry.
  • Philip Morris v. Uruguay: Assisted in the representation of Uruguay in an ICSID arbitration concerning the tobacco industry.
  • Luxtona v. Russia: Assisted in the representation of Russia in a PCA UNCITRAL arbitration concerning the oil and gas industry.
  • Unión Fenosa Gas v. Egypt: Assisted in the representation of Egypt in an ICSID arbitration concerning the gas industry.
  • World Callao v. Peru: Assisted in the representation of Peru in an ICSID arbitration concerning the construction industry.

International Human Rights Law – ECtHR Clerkship Experience

  • Könyv-Tár Kft v. Hungary: Provided legal assistance in an ECtHR litigation concerning Hungary’s schoolbook regulations.
  • Parrillo v. Italy: Provided legal assistance in an ECtHR litigation concerning Italy’s human embryo regulations.

Honors

  • The Hague Academy of International Law, Diploma (Public International Law) (2017)
  • Oxford University Press, Student Deák Award (2017) (awarded for “the best international law student article in a student-edited law journal”)
  • Yale Law School, Jerome Sayles Hess Prize (2016) (awarded to the top student of international law for the 2015-2016 academic year)
  • Quebec Society of International Law, Jacques-Yvan Morin Prize (2016) (awarded to the first place oralist at the French-language Charles Rousseau International Law Moot Court Competition)
  • ICSID, Student Writing Competition First Place Award (2015)
  • Yale Law School, Jerome Sayles Hess Prize (2015) (awarded to the top student of international law for the 2014-2015 academic year)

Involvement

  • American Society of International Law: Member, Annual Meeting Committee Member (2018)
  • Asian Society of International Law: Member
  • European Society of International Law: Member
  • International Law Association: Member
  • Max Planck Encyclopedia of International Procedural Law: Contributor
  • Oxford University Press, Investment Claims: Contributor
  • Jus Mundi: Contributor
  • Jessup International Law Moot Court Competition: Judge (2017-2018), Problem Author (2018)
  • Charles Rousseau International Law Moot Court Competition: Judge (2018)
  • Speaker, “Representing States in Public International Law Disputes,” at Hamad Bin Khalifa University, Doha, Qatar (16 January 2019).
  • Panelist, “Legal Grammatical Constructions in the Six UN Languages,” at the 14th Annual Conference of the European Society of International Law (“International Law and Universality”), Manchester, United Kingdom (13-15 September 2018).
  • Speaker, “Litigating Before the International Court of Justice,” at Melbourne Law School, Melbourne, Australia (22 August 2018).
  • Panelist, “A Strategy of Non-Participation in International Dispute Settlement,” at the 78th Biennial Conference of the International Law Association (“Developing International Law in a Challenging World”), Sydney, Australia (19-24 August 2018).
  • Panelist, “The Standard of Control of ITLOS over Police Activities at Sea” [“Le degré de contrôle du TIDM sur les actes de police en mer”], at the 15th Annual Opening Colloquium for the Charles Rousseau Competition (“Refugees at Sea: Refugee Law or Law of the Sea?”) [15ème Colloque annuel en ouverture du Concours Charles-Rousseau (“Les réfugiés en mer: droit des réfugiés ou droit de la mer?”)], at the University of Angers, Angers, France (30 April 2018) (in French).
  • Speaker, “International Law, the International Court of Justice, and Multilingualism,” at Renmin University of China Law School, Beijing, China (27 February 2018).
  • Speaker, “Hot Topics in International Law: Non-Participation, Non-Proliferation, and Non-Election,” at Renmin University of China Law School, Beijing, China (27 February 2018).
  • Panelist, “Deep Seabed Mining: A Growing Threat to Africa’s Mining Industry,” at the 6th Annual Conference of the African Society of International Law (“International Law and Natural Resources in Africa”), Dar es Salaam, Tanzania (27-28 October 2017).
  • Panelist, “Appointing Authorities: Self-Appointment, Party Appointment, and Non-Appointment,” at the Conference on the Legitimacy of Unseen Actors in International Adjudication, at Leiden University, The Hague, Netherlands (26-27 October 2017).
  • Speaker, “Multilingualism in International Law and at the International Court of Justice,” at The Hague University of Applied Sciences, The Hague, Netherlands (24 October 2017).
  • Speaker, “The Internal Judicial Practice of the International Court of Justice,” at Erasmus School of Law, Erasmus University Rotterdam, Rotterdam, Netherlands (24 October 2017).
  • Panelist, “Non-State Actors as Respondents,” at International Law Weekend 2017 (“International Law in Challenging Times”), at Fordham University School of Law, New York, United States (19-21 October 2017).
  • Panelist, “Moving Maritime Boundaries: Land Transfers, Moving Rivers, and Rising Sea Levels,” at the 8th CILS International Conference (“State Boundary Affairs”), at Universitas Tanjungpura, Pontianak, Indonesia (2-3 October 2017).
  • Speaker, “Non-State Actors as Respondents in International Dispute Settlement,” for the Public International Law Luncheon Series, at Utrecht University School of Law, Utrecht, Netherlands (22 September 2017).
  • Panelist, “The Common Heritage of Mankind and the BBNJ Implementing Agreement: The Case for an ITLOS Advisory Opinion,” at the Workshop of the Law of the Sea Interest Group of the European Society of International Law, Naples, Italy (6 September 2017).
  • Speaker, “Indispensable Issues,” for the International Court of Justice Lunch Talk Series, at the International Court of Justice, The Hague, Netherlands (28 March 2017).
  • Panelist, “First Decisions: The Arrogation of Jurisdiction by International Judicial Bodies,” at the Cambridge International and European Law Conference 2017 (“Transforming Institutions”), at Cambridge University, Cambridge, United Kingdom (23-24 March 2017).
  • Panelist, “Investment Protection and Contested Maritime Areas,” at the Frankfurt Investment Law Workshop 2017 (“Oceans and Space: New Frontiers in Investment Protection?”), at Goethe University, Frankfurt, Germany (10-11 March 2017).
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