/ Practice Areas
Precision counsel for
complex disputes
Focused expertise at the intersection of international arbitration, global trade, and the digital economy — for investors, states, and co-counsel worldwide.
Investor-State Arbitration
Core PracticeAppleton & Associates has shaped investor-state arbitration from its inception. Prof. Appleton served as lead counsel in the first-ever NAFTA Chapter 11 arbitration decisions, and has since represented investors and states in landmark proceedings across ICSID, UNCITRAL, and bilateral treaty frameworks. The firm advises on the full dispute lifecycle — from pre-dispute treaty structuring through hearing, award, and enforcement.
- Lead counsel in the first NAFTA investor-state decisions (1998)
- NAFTA Chapter 11 and treaty-based investment claims
- ICSID and UNCITRAL arbitration proceedings
- Bilateral Investment Treaty (BIT) and FTA claims
- Emergency arbitration and interim relief
- Award enforcement and domestic court proceedings
- Annulment and set-aside proceedings
Retain Prof. Appleton as Arbitrator
Prof. Barry Appleton FCIArb is available to serve as arbitrator in international commercial and investor-state disputes. A Fellow of the Chartered Institute of Arbitrators and Faculty Director of the joint ABA / NY Law School TechCred credential, he brings over three decades of front-line practice to the arbitral seat. He served as the former AAA representative to the UNCITRAL Working Group II on the Model Law for three years — contributing directly to the rules that govern international proceedings worldwide.
- Sole arbitrator and member of arbitral tribunals
- International commercial arbitration (ICC, LCIA, AAA / ICDR, SIAC, ad hoc)
- Investor-state arbitration under ICSID, UNCITRAL, and BIT frameworks
- Technology, digital trade, and intellectual property disputes
- Emergency arbitration and interim measures
- UNCITRAL Model Law proceedings
- Former AAA representative to UNCITRAL Working Group II (Model Law) — three years
International Economic Law
Decades of experience advising governments and investors on the architecture of international trade and investment agreements — including the original NAFTA negotiations, WTO disputes, the USMCA-CUSMA review, and bilateral investment treaty design. The firm provides counsel on trade obligations, market access, subsidies, and the intersection of trade and investment law with domestic regulatory policy.
- USMCA-CUSMA treaty analysis and compliance
- WTO agreements, customs, subsidies and anti-dumping
- Investment treaty structuring and risk assessment
- Trade policy advice and government submissions
- Amicus curiae before the WTO Appellate Body and tribunals
- USTR proceedings and trade remedy matters
- CETA, bilateral and multilateral treaty counsel
Digital & Intangible Economy
International law has not kept pace with the digital economy — and that gap creates both legal risk and strategic opportunity. Prof. Appleton brings deep expertise in the legal frameworks governing digital trade, digital payment rails, data sovereignty, cross-border data flows, AI governance, and the protection of intangible assets under international investment, IP, digital trade, and trade law. The firm also works with CLAVIS AI — a Canadian legal AI initiative built on a specialized international law dataset — reflecting a commitment to responsible, ethically-grounded AI in the legal profession.
- Digital trade law and cross-border data flows
- Digital trade, digital payment rails, and fintech under international law
- AI governance and algorithmic accountability
- Data sovereignty and cloud jurisdiction (CLOUD Act)
- Intangible asset protection under investment treaties
- Digital provisions in USMCA-CUSMA, CETA, and next-generation FTAs
- International law and cybersecurity frameworks
Treaty Counsel & Dispute Strategy
The best disputes are the ones that never reach a tribunal. The firm advises investors on structuring cross-border investments to maximise treaty protection, assess and mitigate sovereign risk, and navigate the sensitive political dimensions of investor-state disputes before they escalate. When disputes do arise, the firm develops the legal and strategic framework that determines outcomes.
- Pre-investment treaty structure analysis
- Political and sovereign risk assessment
- Expropriation and fair-and-equitable-treatment advice
- Most-favoured-nation and national treatment analysis
- State responsibility and diplomatic protection
- Environmental obligations and carbon markets
- Forum selection and arbitral institution strategy
Facing an international dispute?
Contact Prof. Appleton for an initial assessment of your matter.