Advising the estate of an Eastern European national on investment dispute matters related to the expropriation of a major lumber company.

Counsel to Hinudstan Oil Exploration Company in a PCA arbitration concerning a nine-figure operating agreement dispute.

Advising and representing a leading Banking Group in Central Europe in a claim against a member state of the European Union before the European Court of Human Rights, in relation to legislative and regulatory measures taken in the context of the Swiss Franc loans sold in that State

Advising a North African State in relation to an arbitration commenced against it by the European Union under an Association Agreement

Advising the State of Libya in proceedings pending before the Court of Justice of the European Union regarding the State of Libya’s attempt to recover misappropriated assets by the Gaddaffi regime

Representing a major global energy company in an investment treaty arbitration at the PCA

Advising a UK-based contractor in an UNCITRAL commercial arbitration against an East African company relating to a geothermal power project in Eastern Africa

Advising a London-based private equity fund on a potential commercial arbitration

Representing Barbados before the International Court of Justice in the Climate Change case. Barbados appointed Robert Volterra as its Co-Representative in the case

Representing a Western European mining company in an investment treaty arbitration against a G7 State, before the Permanent Court of Arbitration

Representing the Republic of Croatia in an ICSID case brought under a bilateral investment treaty by Société Générale S.A. bank

Representing the Democratic Republic of Congo in the Armed Conflict case against the Republic of Uganda before the International Court of Justice|

Advising a major US multinational tech company on international trade, investment and State Responsibility issues

Advising a number of ministries of the Kingdom of Saudi Arabia on a variety of public international law issues, including in relation to a number of international organisations based in the Americas and Europe

Advising a major European oil company on its rights arising under a hydrocarbon concession in disputed waters off the Mediterranean Sea

Advising a State in Asia on maritime boundary dispute issues under the United Nations Convention on the Law of the Sea

Representing Malaysia in relation to the so-called “Sulu arbitration” fraud.  In addition, Malaysia appointed Robert Volterra as its legal spokesperson

Representing a group of European investors against a US-based private equity fund in a dispute over an investment in South America

Representing a Middle Eastern government in international law negotiations with a G7 European State

Advising an international organisation on the public international law aspects of its programme to raise commercial debt

Representing a State in the Americas in a commercial arbitration at the London Court of International Arbitration

Advising a State in the Middle East on shipping transit rights under the Law of the Sea Convention

Advising a diplomat posted in the Middle East on issues related to diplomatic immunities

Advising a lithium mining company on investment treaty issues

Advising a G7 government on WTO rules related to State-aid and Sovereign Wealth Funds

Advising a Sovereign Wealth Fund on investment treaty and attribution issues

Representing the United States of America in sovereign immunity cases before English courts and tribunals

Representing the Kingdom of Bahrain in a sovereign immunity case before the English courts

Advising a Caribbean State in its Outer Continental Shelf boundary delimitation negotiations with a neighbouring State

Representing a European oil company in a licensing agreement dispute with another oil company, in arbitration proceedings at the ICC

Advising a global company in defending against false Business and Human Rights attacks brought by an NGO