Peter Tzeng

Associate - Washington, D.C.

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

Peter regularly works on cases before the International Court of Justice (ICJ), where he previously clerked, as well as before 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)

  • Armenia v. Azerbaijan (Application of CERD): Representing Armenia in an ICJ litigation concerning international human rights law.
  • Azerbaijan v. Armenia (Application of CERD): Representing Armenia in an ICJ litigation concerning international human rights law. 
  • 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): Represented Nicaragua in an ICJ litigation concerning the law of the sea.
  • Nicaragua v. Colombia (Delimitation of the Continental Shelf beyond 200 nautical miles): Assisted 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.

Other Inter-State Dispute Settlement

  • Switzerland v. Nigeria (M/T San Padre Pio): Representing Nigeria in an ITLOS litigation concerning the law of the sea.
  • 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.
  • Qatar v. UAE: Advising Qatar in a WTO proceeding concerning international trade law.
  • Qatar v. Saudi Arabia: Advising Qatar in a WTO proceeding concerning international trade law.
  • Qatar and Egypt, Bahrain, Saudi Arabia and the UAE – Application (A): Advising Qatar in an ICAO Council proceeding concerning international aviation law.
  • Qatar and Egypt, Bahrain and the UAE – Application (B): Advising Qatar in an ICAO Council proceeding concerning international aviation law.
  • 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.

Investor-State Dispute Settlement

  • Sanitek and others v. Armenia: Representing Armenia in an ICSID arbitration concerning the waste management industry.
  • Hydro and others v. Albania: Represented Albania in an ICSID annulment proceeding concerning various industries.
  • Nissan v. India: Represented India in a PCA UNCITRAL arbitration concerning the automobile industry.
  • Representing a State in a PCA arbitration (confidential).
  • Representing a State in a PCA arbitration (confidential).

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, 2021), Judge (2017-2021)
  • Charles Rousseau International Law Moot Court Competition: Judge (2018)
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Bar Admissions

  • District of Columbia
  • New York