Peter Tzeng

Associate - Washington, D.C.

Peter Tzeng
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Peter Tzeng exclusively advises and represents countries (sovereign States) on matters of public international law and international arbitration.

Peter regularly works on cases before the International Court of Justice (ICJ), where he previously clerked, as well as before the International Tribunal for the Law of the Sea (ITLOS), the Permanent Court of Arbitration (PCA), and the International Centre for Settlement of Investment Disputes (ICSID). A recipient of the Diploma of The Hague Academy of International Law, he speaks all six official languages of the United Nations (Arabic, Chinese, English, French, Russian, and Spanish) at varying levels of proficiency.

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Education:

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

Languages:

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

Representative Experience

International Court of Justice (ICJ)

  • The Gambia v. Myanmar (Application of the Genocide Convention): Representing The Gambia in an ICJ litigation concerning international human rights law.
  • Bahrain, Egypt, Saudi Arabia, UAE v. Qatar (Appeal under the Chicago Convention): Represented Qatar in an ICJ litigation concerning international aviation law.
  • Bahrain, Egypt, UAE v. Qatar (Appeal under IASTA): Represented Qatar in an ICJ litigation concerning international aviation law.
  • Qatar v. UAE (Application of CERD): Represented Qatar in an ICJ litigation concerning international human rights law.
  • 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): Representing Uganda in an ICJ litigation concerning international reparations law.

International Tribunal for the Law of the Sea (ITLOS)

  • Switzerland v. Nigeria (M/T San Padre Pio): Representing Nigeria in an ITLOS litigation concerning the law of the sea.

Inter-State Arbitration

  • Qatar v. Bahrain: Representing Qatar in a PCA arbitration concerning international postal law.
  • Qatar v. Egypt: Representing Qatar in a PCA arbitration concerning international postal law.
  • Qatar v. Saudi Arabia: Representing Qatar in a PCA arbitration concerning international postal law.
  • Qatar v. UAE: Representing Qatar in a PCA arbitration concerning international postal law.

Investor-State Arbitration

  • Representing a State in a PCA arbitration.
  • Representing a State in a PCA arbitration.
  • Represented a State in an ICSID annulment proceeding.
  • Nissan v. India: Represented India in a PCA UNCITRAL arbitration concerning the automobile industry.

Council of the International Civil Aviation Organization (ICAO Council)

  • Qatar and Egypt, Bahrain, Saudi Arabia and the UAE – Application (A): Counsel to Qatar in an ICAO Council proceeding concerning international aviation law.
  • Qatar and Egypt, Bahrain and the UAE – Application (B): Counsel to Qatar in an ICAO Council proceeding concerning international aviation law.

Committee on the Elimination of Racial Discrimination (CERD Committee)

  • Qatar v. UAE: Advising Qatar in a CERD Committee proceeding and an ad hoc conciliation concerning international human rights law.
  • Qatar v. Saudi Arabia: Advising Qatar in a CERD Committee proceeding and an ad hoc conciliation concerning international human rights law.

 

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, American Branch: Member, International Law Weekend Organizing Committee Member (2021)
  • International Legal Materials Editorial Advisory Committee: Member
  • Max Planck Encyclopedia of International Procedural Law: Contributor
  • Oxford University Press, Investment Claims: Contributor
  • Jus Mundi: Contributor
  • Jessup International Law Moot Court Competition: Problem Author (2018), Judge (2017-2021)
  • Charles Rousseau International Law Moot Court Competition: Judge (2018)
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Bar Admissions

  • District of Columbia
  • New York