Jonathan Worboys has an international and domestic practice focusing on public international law, international arbitration and international criminal law. His practice further includes public and commercial law.
Jonathan acts as counsel in cases before international courts and tribunals (ICJ, ECHR, international criminal tribunals, LCIA, ICC, UNCITRAL etc.) and litigation before the English courts (High Court, Court of Appeal and Supreme Court). He also frequently acts as adviser to Governments and sub-State entities during complex international negotiations, peace processes and other high stakes international law advisory projects.
Jonathan is a Visiting Lecturer in public international law at King’s College London. He is a former Assistant Legal Adviser at the Foreign & Commonwealth Office and a leading expert in the peaceful resolution of major international and non-international armed conflicts.
Examples of current and recent litigation and Government advisory work include:
- Chagos Request for an Advisory Opinion (ICJ) – Counsel for the United Kingdom before the International Court of Justice.
- Micula & Others v Romania (Commercial Court; Court of Appeal; currently on appeal to the Supreme Court) – junior counsel for the claimant in enforcement proceedings arising out of the Award in ICSID Case No. ARB/05/20.
- Brexit – advising and acting for various United Kingdom government departments in respect of international law issues arising out of Brexit (ongoing, details confidential).
- Four major international peace processes – advising parties to negotiations on questions on international law and negotiation strategies.
- An unprecedented, large-scale and comprehensive investigation into international crimes that have taken place in Myanmar against the Rohingya – acting as part of a team that conducted an investigation into crimes committed and drafting a full report.
- A large-scale and strategically important international investigation – advising and acting for a State (ongoing, details confidential).
- A long-term strategically important international criminal law advisory project – advising and acting for a State (ongoing, details confidential).