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Paul is a litigator and advocate whose practice focuses on complex commercial litigation, international commercial arbitration, investment treaty arbitration, and international law.

Paul has acted as counsel for governments and corporations in over a dozen international commercial and investor-State/investment treaty arbitrations conducted under all the major rules, in the U.S., Asia, and Europe. He has also acted in several high profile bankruptcy and sovereign immunity cases in the United States courts and other jurisdictions. Outside of courts and arbitral tribunals, Paul’s experience includes defending multi-jurisdictional investigations by government departments and regulators in the U.S., U.K., and Europe, and representing the U.K. at the United Nations.

Paul’s cases and advisory work often have a cross-border element. His experience spans a broad range of subject matters and sectors, including:
  • Antitrust and competition law
  • Bankruptcy and insolvency
  • Bilateral investment treaties (BITs)
  • Business and human rights
  • Commercial fraud
  • Data Protection and privacy
  • Energy and natural resources
  • Free trade agreements
  • Finance and banking
  • Foreign investment protection
  • Infrastructure and construction
  • Private international law
  • Intellectual property
  • International trade
  • Investment funds and private equity
  • Joint ventures
  • Mergers & acquisitions
  • Law of the sea and admiralty law
  • Securities
  • Sovereign immunity
  • Sovereign debt restructuring
  • Technology/Internet
  • Telecommunications
  • Public international law
Paul is admitted to the bar in New York. He is also a barrister in independent practice at the English bar, where he is a member of Doughty Street Chambers, one of the leading London sets. Paul began his career as an associate of Cleary Gottlieb Steen & Hamilton, the New York-headquartered international law firm, where he practiced in the international litigation, arbitration, and public international law groups. He has also acted as tribunal secretary in several commercial and investment arbitrations chaired by Michael Moser, the eminent Hong Kong-based arbitrator.

Paul has lectured on international arbitration and international investment law at Harvard Law School, Stanford Law School, and City University of Hong Kong Law School, and has presented papers at conferences in the United States and Europe. He was formerly a Visiting Fellow at the Lauterpacht Centre for International Law at Cambridge University.

Investment Treaty Arbitration

Theodoros Adamakopoulos and others v. Republic of Cyprus (ICSID Case No. ARB/15/49) — Member of the Fietta counsel team to the Claimants in a mass claim arising out of the Eurozone financial crisis (Cyprus-Greece BIT).

Cyprus Popular Bank Public Co. Ltd. v. Hellenic Republic (ICSID Case No. ARB/14/16) – Counsel for the Respondent State in an ICSID arbitration relating to the Eurozone financial crisis (Cyprus-Greece BIT).

Poštová banka, a.s. and ISTROKAPITAL SE v. Hellenic Republic (ICSID Case No. ARB/13/8) – Counsel for the Respondent in a landmark ICSID arbitration arising out of Greece’s sovereign debt restructuring (Slovakia-Greece BIT; Cyprus-Greece BIT). Counsel for the Respondent in dismissed Annulment Committee proceeding .

Yukos Universal Limited / Hulley Enterprises Limited / Veteran Petroleum Limited v. Russian Federation — Acted for the Respondent State in three joined UNCITRAL, PCA investor-State arbitrations arising out of the Yukos bankruptcy (Energy Charter Treaty), and in the successful annulment proceedings in Dutch courts.

Rosinvest v. Russian Federation – Acted for the Respondent State in an SCC investor-State arbitration relating to a distressed equity investment in the Yukos company.

Investor v. State — Acted for the Respondent State in a UNCITRAL investor-State arbitration relating to a factory in a CIS State.

US Litigation

Nortel Networks Inc et al, US Bankruptcy Court (Delaware) and Ontario Superior Court of Justice – Member of Cleary Gottlieb counsel team in US/Canada cross-border bankruptcy trial relating to litigation of claims arising out of the Nortel bankruptcy.

Republic of Argentina v. NML Capital, Ltd., No. 13-990 (U.S. Supreme Court; U.S. Second Circuit (NY)) – Member of Cleary Gottlieb team preparing international law submissions relating to whether discovery in aid of execution on property of a foreign state permitted under U.S. Foreign Sovereign Immunities Act.

International Commercial Arbitration

LCIA commercial arbitration seated in London — Counsel to the Claimant corporation in a billion-dollar bribery and corruption case concerning the mining industry in West Africa, proceeding in parallel with related ICSID proceedings, New York federal court (RICO Act) litigation and U.S. Department of Justice investigations.

SCC commercial arbitration seated in Stockholm — Acted for the Respondent State and State Entity (CIS) in a dry shipping dispute.

LCIA commercial arbitration seated in London — Acted for the Claimant in a share option dispute.

ICC commercial arbitration seated in Paris — Acted for the Respondent State (Africa) in an oil exploration rights dispute.

ICC commercial arbitration seated in Paris — Acted for the Respondent corporation in a €265m technology dispute.

International Litigation

NML v. Republic of Argentina (Court of Appeal, Ghana) – Acted for the Defendant State in the sovereign immunity case of the Argentine warship ARA Libertad, which was conducted in parallel with ITLOS proceedings in Hamburg.

**Includes cases with Cleary Gottlieb and as a barrister in independent practice at the English bar.


“Investor-State Dispute Settlement under Investment Treaties and Free Trade Agreements: ad hoc Arbitration or Investment Court System?”, International Law Bulletin (Doughty Street International, February 2017).

“Legitimate Regulatory Interests – Case Law and Developments in IIA Practice”, in A. Kulick (ed.), States’ Reassertion of Control over International Investment Agreements and International Investment Treaty Dispute Settlement (Cambridge University Press, December 2016).

“Hong Kong, the Trans-Pacific Partnership and Foreign Investment Protection”, Hong Kong Lawyer, available at (August 2016) (co-author)

“Landmark Sovereign Debt Restructuring Award”, Opinio Juris Blog, available at (30 April, 2015) (co-author).

“Investor-State Arbitration as International Public Law: Deference, Proportionality and the Standard of Review”, in I. Laird & T. Weiler (eds.), Investment Treaty Arbitration and International Law (Juris Publishing, 2015).

Speaker and panelist on the subject “Is Investment Treaty Arbitration a Mechanism to Second-Guess Governments’ Exercise of Administrative Discretion: Public Law or Lex Investoria?” at the Eighth Annual Juris Conference on Investment Treaty Arbitration, Washington D.C., 28 March 2014.

“The Trans-Pacific Partnership Agreement and States’ Right to Regulate under International Investment Law”, 45(2)
Denver Journal of International Law and Policy (2017) 205-224 (with Dr Noam Zamir).

“Universal Civil Jurisdiction and the Extraterritorial Reach of the Alien Tort Statute: The Case of Kiobel before the United States Supreme Court”
, University of Miami International and Comparative Law Review, Fall 2012 Issue.

LL.M. (James Kent Scholar), Columbia Law School
M.A. (Law), Cambridge University

Bar Qualifications
New York
*Not licensed to practice law in California.

Academic Appointments
  • Visiting Fellow, The Lauterpacht Centre for International Law, University of Cambridge
  • Harvard Law School: Guest Lecturer in International Commercial Arbitration
  • Stanford Law School: Guest Lecturer in International Investment Law and Dispute Settlement
  • City University of Hong Kong: Guest Lecturer in International Investment Law and Arbitration
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