Pusztai, David

Dr. David Pusztai

Associate *
*Foreign Qualified, Admitted to the Hungarian Bar


David Pusztai is an associate in Quinn Emanuel’s London office.  He has advised multinational corporations and sovereign states in several high-stakes international arbitrations.  His practice focuses on international investment disputes. He has experience in arbitrations involving energy generation and trade, international pipelines, privatization contracts, pharmaceuticals and international sales agreements.

David majored in international law at the University of Oxford (with Distinction) and was recently awarded a PhD in international law at the University of Cambridge.  He previously practised in the public international law department of a top-tier law firm in Paris.


  • University of Cambridge
  • (PhD, 2017)

  • University of Oxford
  • (MJur with Distinction, 2012)

  • ELTE University, Budapest
  • (JD,  summa cum laude, 2011)
    • Top Scoring Student of the Year


The Hungarian Bar; Admitted in Hungary only (practicing under the direct supervision of a member of The Bar of England and Wales)


  • English
  • Hungarian
  • German
  • French


  • ‘MH17 goes to Strasbourg: Some Remarks on Obligations of Prevention, Foreseeability and Causation’, EJIL:Talk! Blog, available at: http://www.ejiltalk.org/mh-17-goes-to-strasbourg- some-remarks-onobligations- of-prevention-foreseeability-and-causation/ (9 October 2014)

  • ‘Vigotop v Hungary. (Re)defining the threshold of expropriatory contract termination’, 2015 (30) ICSID Review 384

  • ‘Which Europe is the US Negotiating With? The TTIP and the Perspective of Eastern European Emerging Economies’, Harvard Institute for Global Law & Policy, Biannual Conference, 1-2 June 2015 [conference paper]

  • ‘Contributory Fault and State Responsibility in Investment Treaty Arbitration’, Investment Treaty Forum, British Institute of International and Comparative Law, 27 October 2016 [conference paper]

  • ‘Responsibility without Causation? The Public International Law Experiment’, in S Besson (ed), Responsibility in International and European Law, History and Philosophy (2017) 51|

  • (with P Devenish), ‘Book Review of D Caron (et al), Practising Virtue. Inside International Arbitration’ (2017) 34 Journal of International Arbitration 125