International Arbitration
“The team is full of highly qualified lawyers with experience and commercial nous. They consistently deliver high level results with excellent service.”
The Legal 500 Asia Pacific 2025
International Arbitration Viewpoints →
Read about the latest legal and regulatory developments in Asia
International Arbitration Experience →
Read more about our cases
International Arbitration Team →
Meet our regional team of experienced lawyers
Your Trusted Partner in Resolving High-Stakes Global Disputes
At Rajah & Tann Asia, we understand that international arbitration isn’t just about resolving disputes, it’s about protecting what matters most to you. Whether you’re a multinational corporation, a state entity, or a private investor, our team brings clarity, precision, and strategic insight to the most complex cross-border conflicts.
Recognised globally for both commercial and investor-state arbitration, we combine deep legal expertise with sector-specific insight and extensive regional reach.
Supported by experts drawn from industry-specific practices within the firm, our international arbitration practice delivers world-class advice and counsel through a powerful combination of our extensive connections across the continent; lawyers with vast global experience; and deep institutional knowledge in a wide spectrum of complex corporate, commercial and public international law disputes.
Why Clients Choose Us
Globally Respected. Regionally Embedded.
Our team comprises seasoned lawyers with vast experience in handling complex corporate, commercial, and public international law disputes. We have a strong presence across the continent and a network of connections that ensures you receive the best possible counsel.
Proven Track Record
Clients turn to us when it counts. With one of the largest arbitration practices in Asia, we bring proven global experience. Our lawyers handle major cases before SIAC, ICC, UNCITRAL, and more.
We are proud to be recognised as leaders in the field, with our lawyers frequently sought after by governments, state-owned entities, and Fortune 500 companies worldwide. Our lawyers are also regularly appointed as arbitrators in both commercial and investor-state arbitrations.
Our practice has been consistently ranked among the world’s best, and we have received numerous accolades for our outstanding work. With one of the world’s largest arbitration portfolios, we were the first Asian international arbitration practice ranked by the Global Arbitration Review in 2008, and we have retained our unparalleled market dominance ever since. In 2014, we won arbitration practice of the year at the Asian Legal Business Awards. In 2015, the Global Arbitration Review named our practice as one of the “most impressive” regional arbitration practices in the world.
Thought Leadership
Our lawyers are not only practitioners but also thought leaders in the field of international arbitration, often delivering papers and speaking around the world.
We are regularly involved in law reform, soft law instruments and reports, UN working group and treaty negotiations as well as authoring books and articles on international arbitration (including the next edition of Mustill & Boyd’s Commercial Arbitration).
Featured site
Arbitration Asia
Looking for insights into arbitration across Asia?
Visit Arbitration Asia, your dedicated one-stop arbitration website which spotlights on Asia, covering the latest legislative and regulatory developments, case alerts, market updates and events or happenings across Rajah & Tann Asia’s geographical footprint.
What We Offer
End-to-End International Arbitration Services
We provide full-service support across the entire arbitration lifecycle:
International Arbitration Services
- Drafting & Negotiating International Arbitration Agreements
- Tribunal Formation & Arbitrator Appointment
- Representation in International Arbitration Proceedings
- Interim Measures & Relief
- Enforcement of Arbitral Awards
- Challenge & Setting Aside of Arbitral Awards
- Arbitration Rule & Procedure Advisory (SIAC, ICC, and UNCITRAL)
- Cross-Border Dispute Resolution
- Advisory on Jurisdictional & Legal Issues in Arbitration
- Pre-Arbitration Settlement & Negotiation
Our Reach
Deep Roots in Asia-Pacific. Global Strength.
We are committed to providing you with the highest level of service and support. Whether you are facing a complex international dispute or seeking advice on arbitration-related matters, our team is here to help. Trust us to be your partner in achieving successful outcomes in international arbitration.
With offices across Southeast Asia and beyond, we bring regional insight with international perspective. Our team operates in multiple languages, and many of our lawyers are dual-qualified in civil and common law jurisdictions. We regularly act in disputes seated in:
- Singapore
- Hong Kong
- England
- France
- New York
- Mainland China
Our extensive network across Asia ensures coordinated, locally attuned support for multi-jurisdictional disputes. We are adept handling disputes governed by the laws of any jurisdiction.
Our Core Expertise
Unique for an Asian firm, we offer a dedicated core of international advocates in the arbitration practice. Our capabilities include:
- International commercial arbitrations
- Investor-State arbitrations
- Applications for arbitration-related court proceedings
International Commercial Arbitrations
From billion-dollar infrastructure claims to high-stakes commercial disputes, we’ve seen it all. Our specialist advocates are able to offer timely advice in disputes under almost any institutional or ad hoc arbitration. Our lawyers have extensive experience gained from other leading international firms, barristers’ chambers and as clerks before international courts and arbitral institutions.
We have handled arbitrations in every shape and form. These include:
- Billion-dollar disputes over steel plants in the Philippines;
- Power infrastructure in Malaysia;
- Oil fields in Libya and Sudan;
- Drill ships and oilrigs in Singapore;
- Base transmission telecommunications systems in Indonesia;
- Power plants in China;
- Largest coal mine in Indonesia;
- Submarine telecommunication cables connecting China to the United States;
- Pan Asian vehicular franchises;
- Car distribution agreements in Singapore;
- Long term management contracts in Indonesia;
- Hospitality resort projects in India;
- Land reclamation projects; and
- Billion dollar port disputes, etc.
Our expertise includes other complex cross border commercial and construction related arbitration disputes involving multiple laws in multiple jurisdictions.
Our practice is also supported by various specialist practices within the firm. We are thus able to provide expert knowledge in a wide range of disputes, including:
- Corporate and Commercial matters, including complex cross-border joint venture and shareholder disputes, banking, finance, insurance, regulatory, distributorship and employment disputes;
- Oil and Gas (upstream and downstream);
- Healthcare and Cosmetics;
- Energy and Resources including power stations, power purchase and connection agreements;
- Telecommunications Networks, infrastructure and sales;
- Infrastructure and Civil Engineering projects such as airports, railways, ports, highways, suspension bridges, tunnels and sewerage systems;
- Building projects including residential, industrial, mixed-development and commercial building projects; and
- Maritime and Shipbuilding Contracts
Investor-State Arbitrations
Our lawyers have extensive experience representing both States and investors in relation to their rights and obligations under investment treaties and free trade agreements.
Our lawyers have also been appointed arbitrators in investment arbitrations and have been involved in UNCITRAL working group sessions on topics of investment arbitration.
We represent both investors and sovereign states in treaty-based disputes, leveraging our strength in public international law and regulatory matters. Our experience includes:
- Bilateral investment treaty (BIT) claims
- Free trade agreement disputes
- ICSID and UNCITRAL arbitrations
- Strategic advisory on treaty negotiation and interpretation
Our lawyers are regularly consulted for UN working group sessions and treaty drafting. We help you not only enforce your rights—but also structure your investments to prevent future disputes.
At the transactional stage, we are able to combine strengths with our regulatory and competition practices to provide holistic advice in relation to investments into specific jurisdictions.
We are also able to draw on the local knowledge of each of our offices and affiliates particularly in Asia to guide both investors and States. In addition, we have been consulted on and are able to advise on the drafting and negotiation of treaties.
At the disputes stage, our lawyers have specialist knowledge in public international law and the investment arbitration process.
Arbitration-Related Court Proceedings
We don’t just act in arbitrations, we also represent clients before courts in arbitration-related litigation.
This includes:
- Applications for stays of proceedings
- Interim injunctions and protective orders
- Enforcement of foreign arbitral awards
- Challenges and setting-aside proceedings
With litigation teams embedded across our regional offices, we offer coordinated strategies that align arbitration and court action.
Although we are often called upon to lead arbitrations and court applications, we are equally also regularly instructed to co-counsel or lend support on other matters.
Related Links
Recognition
-
World's Top 100 International Arbitration PracticeGlobal Arbitration Review (GAR100) since 2009
-
Spotlight Table - Dispute Resolution: Arbitration (Foreign Expertise) (India)Chambers Global (2024) (Singapore)
-
Tier 1 - International Arbitration (Domestic)Benchmark Litigation Asia-Pacific (2023) (Singapore)
-
Bands 1 & 2 - Dispute ResolutionChambers Asia-Pacific (2025) (Indonesia, Philippines, Vietnam)
-
Bands 1 & 2 - Dispute Resolution: Litigation & ArbitrationChambers Asia-Pacific (2025) (Singapore, Philippines)
-
Tiers 1 & 2 - Dispute ResolutionThe Legal 500 Asia Pacific (2025) (Indonesia, Philippines, Singapore, Thailand)
-
Band 2 - Dispute Resolution: Arbitration (Elite)Chambers Asia-Pacific (2025), Chambers Global (2024) (Philippines, Singapore)
-
Tier 2 - Dispute Resolution: Arbitration & LitigationThe Legal 500 Asia Pacific (2025) (Vietnam)
-
Tier 2 - International ArbitrationThe Legal 500 Asia Pacific (2025) (Singapore)
-
Tier 2 - International ArbitrationThe Legal 500 Asia Pacific (2024) (Singapore)
-
Recognised - Regional & Specialist Law FirmIndia Business Law Journal (2023) (Singapore)
-
Recommended - International ArbitrationBenchmark Litigation Asia-Pacific (2023) (Philippines, Vietnam)
-
Ranked - Asia Pacific Region - International ArbitrationChambers Asia-Pacific (2025)
-
Ranked - Dispute Resolution (International Firms)Chambers Asia- Pacific (2025)
-
Ranked - Dispute ResolutionChambers Asia-Pacific (2025) (Malaysia, Thailand)
-
Ranked - Dispute ResolutionThe Legal 500 Asia Pacific (2025) (Malaysia)
-
Ranked Lawyer - Dispute Resolution: International ArbitrationChambers Asia-Pacific (2025) (Singapore)
-
Ranked Lawyer - Dispute Resolution: International ArbitrationChambers Asia-Pacific (2025) (Vietnam)
-
Ranked - Regional International ArbitrationThe Legal 500 Asia Pacific (2025) (Singapore)
-
Ranked - Dispute ResolutionChambers Asia-Pacific (2025) (Thailand)
-
Ranked - Asia Pacific Region - Arbitration (International)Chambers Asia-Pacific (2025), Chambers Global (2024)
-
Ranked - Asia Pacific: Regional International ArbitrationThe Legal 500 Asia Pacific (2024)
-
"They take an international viewpoint, with a strong commercial overlay to how they pursue outcomes."Chambers Asia-Pacific 2025 (Philippines)
-
"The Rajah & Tann team were responsive, highly knowledgeable and strategically aware. They were always one step ahead of the opposition and read the judge very well."Chambers Asia-Pacific (2025) (Singapore)
-
"The team is accessible, highly knowledgeable about the law, pragmatic in their approach to resolving matters rather than prolonging, negotiations or propelling disputes and exercise a fair and contentious philosophy."The Legal 500 Asia Pacific (2025) (Malaysia)
-
"Assegaf has one of the most established litigation practices in Indonesia. They have served some of the most known Indonesian state-owned enterprises and foreign entities. Their arbitration practice is particularly of note."The Legal 500 Asia Pacific (2025) (Indonesia)
-
''The team is full of highly qualified lawyers with experience and commercial nous. They consistently deliver high level results with excellent service."The Legal 500 Asia Pacific (2025) (Singapore)
-
"Rajah and Tann differentiates itself by its multidimensional approach. By seamlessly merging legal expertise with an understanding of business dynamics, the practice offers solutions that are both legally sound and strategically robust."The Legal 500 Asia Pacific 2024 (Singapore)
-
"They take an international viewpoint, with a strong commercial overlay to how they pursue outcomes."Chambers Asia-Pacific (2025) (Philippines)
-
"C&G Law is able to provide excellent, pragmatic and practical legal advice and strategy. The firm makes available information that allows the business to come up with informed decisions."Chambers Asia-Pacific 2024 (Philippines)
-
"Rajah & Tann has highly competent lawyers who have delivered results in a complex matter in an extremely short timeframe."Chambers Asia-Pacific 2024 (Singapore)
-
"Rajah & Tann is a leading firm in South East Asia. Its large arbitration practice is well established and highly regarded."The Legal 500 Asia-Pacific 2024 (Singapore)
-
"The people I dealt with are knowledgeable about the industry I am involved in. They are responsive too, whenever we raise queries. We are satisfied with their efficient service."The Legal 500 Asia-Pacific 2024 (Vietnam)
-
"We have worked together with Rajah & Tann on a couple of disputes cases over the last 12 months. I would describe the team as flexible, open minded, diligent, and well-suited to working together in a collaborative capacity."The Legal 500 Asia-Pacific 2024 (Singapore)
-
"They are attentive, responsive and efficient in that they were able to understand the complex issues in shortest time. Their understandings, analysis and the proposed strategic plans are logical and effective."The Legal 500 Asia-Pacific 2024 (Vietnam)
-
"...Proactive, solution-focused, diligent, and did an outstanding job preparing 10 inexperienced witnesses for the arbitration hearing.”Global Arbitration Review (GAR100) 2023 (Singapore)
-
"It regards its main competitors for high-end and complex arbitration work not as other Singapore firms but rather as international firms in the UK and the US."Global Arbitration Review (GAR100) 2023 (Singapore)
-
"...Takes matters forward without unnecessary bells and whistles."Benchmark Litigation Asia-Pacific 2023 (Singapore)
The team is full of highly qualified lawyers with experience and commercial nous. They consistently deliver high level results with excellent service."
Our International Arbitration Team
Co-Head, South Asia Desk
Representative, Shenzhen Representative Office
Head, Brunei Business Unit
