Luke Sobota and Alina Papanastasiou have contributed two chapters to the recently published book, General International Law in International Investment Law – A Commentary edited by Andreas Kulick and Michael Waibel.

Luke co-authored the chapter, “Parts IV and V of the VCLT: Amendment, invalidity, termination and suspension of investment treaties”, alongside 3C alumnus Amelia Keene.

Alina co-authored a chapter on “Article 8 of the ARSIWA: Attribution of conduct instructed, directed, or controlled by a State” with Professor Jorge E Viñuales. The chapter addresses the interface between general international law and investment arbitration with respect to the attribution of conduct instructed, directed or controlled by a State.

There will be a London book launch on 10 June 2024 at 6:00 pm at Kings College London, Bush House.

For more information, click here.


Luke is a founding partner of Three Crowns and represents private and sovereign clients in some of their most significant commercial, investor-State, and inter-State arbitrations. His practice spans the technology, energy, and financial sectors and includes successfully prosecuting one of the largest ICC cases in history.

Luke is a Senior Lecturer on Law at Harvard Law School, and regularly writes and speaks about issues of international law and arbitration. His publications include the second edition of Judge Stephen M. Schwebel’s International Arbitration: Three Salient Principles (Cambridge 2020) and General Principles of Law and International Due Process (Oxford 2017).


Alina is an associate in the London office. She has experience in public international law and international dispute resolution across a range of sectors, including banking & finance, oil & gas, energy, and telecommunications. Alina has experience advising sovereign States, State-owned entities, and private parties before the International Court of Justice and international arbitral tribunals, as well as in non-contentious matters under public international law.

Alina is also involved in the firm’s pro bono practice, having recently worked with REDRESS on a project promoting balanced gender representation in UN human rights organs and mechanisms.

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