Leading International Arbitration Lawyers
Ghahhary Thomas LLP is a trusted Canadian firm with international expertise in complex matters of public international law and arbitration. Our partners are internationally recognized barristers, called to the Bars of Ontario, Canada and England & Wales.
We act as international arbitration lawyers and international law lawyers for sovereign states, public bodies, international organizations, and private entities engaged in cross-border disputes.
Our team combines courtroom advocacy with deep policy experience. We have practiced within leading global law firms, governments, international organizations, and NGOs. This allows us to approach international disputes with both legal precision and geopolitical awareness.
Leila Ghahhary is a member of the prestigious UK Attorney General’s Public International Law Panel – an elite panel of specialist barristers who advise and represent the UK government in cases involving international law across various courts, including international tribunals.
International Arbitration Representation
We represent clients in high-stakes international arbitration proceedings involving:
- Interstate disputes
- Interstate arbitrations
- Treaty-based claims
- Sovereign immunity issues
- State responsibility and reparations
Our advocacy is grounded in strategy, clarity, and procedural command. We manage disputes from early advisory stages through to final award and enforcement.
Where appropriate, we work alongside domestic counsel, diplomats, and policy advisors to align legal strategy with broader state or institutional objectives.
Public International Law Advisory
We advise on a broad spectrum of public international law matters, including:
- International criminal law
- International humanitarian law
- International human rights law
- Transitional justice mechanisms
- Peace and security frameworks
- Treaty drafting, negotiation, and interpretation
- International policy development
We assist clients in navigating complex legal frameworks that intersect with diplomatic, political, and regulatory realities.
Treaty Drafting & Interpretation
Precision in treaty drafting and interpretation is critical. We advise on:
- Bilateral and multilateral treaty negotiation
- Interpretation disputes
- State compliance obligations
- Reparations frameworks
- Immunity analysis
Our work supports governments and international bodies in building durable legal instruments that withstand scrutiny.
Strategic Counsel in Sensitive International Disputes
International disputes are rarely confined to legal doctrine alone. They often involve:
- Diplomatic consequences
- Regulatory implications
- Reputational risk
- Cross-border enforcement challenges
We provide measured, strategic advice that accounts for these realities.
Why Clients Engage Ghahhary Thomas LLP
Clients choose our firm because we offer:
- Dual Bar qualification (Canada and England & Wales)
- Advocacy experience at the highest levels
- Direct experience of acting for governments and international institutions
- Strategic clarity in politically sensitive matters
- Deep understanding of state responsibility and sovereign immunity disputes
- Ranked by leading legal directories including Chambers Canada, Chambers UK Bar, and Benchmark Litigation Canada.
We operate with discretion, precision, and intellectual rigor.
Speak With a Public International Law Barrister
If you require advice or representation in a matter of international arbitration or public international law, contact Ghahhary Thomas LLP to discuss your position in confidence.
