A Boutique Law Firm Focused on International Business Disputes

Expertise forged through experience.

Boutique focus and attention.

Dan Tan Law is a globally ranked boutique international arbitration law firm based in New York, San Francisco, and Singapore. The firm was founded in 2011 as an alternative to traditional large law firms by delivering top-tier expertise at value-driven rates.

Our clients come from all over the world and from all industry sectors. We partner with businesses to navigate commercial disputes and legal challenges wherever in the world they arise.

Our boutique platform pairs deep expertise and experience with personalized attention. Our team draws on decades of experience forged at leading international law firms in New York, London, and Paris, strategically pursuing and vigorously defending high-stakes international disputes.

International Arbitration

The core of our practice—from the founding of the firm in 2011, we have been ranked among the top arbitration practices globally. We are trusted with arbitration matters seated all over the world under major institutional rules, ranging from simple contractual disputes to complex technical disputes where billions are at stake.

International Litigation

As international disputes lawyers, we help clients enforce and defend their rights by coordinating a global strategy involving litigation in multiple jurisdictions, and acting as lead counsel in courts in the United States and Singapore.

These include court actions in the United States and Singapore seeking provisional relief or discovery in support of arbitration proceedings and foreign court proceedings.

Enforcing and resisting Awards and Judgments

We have extensive experience enforcing and resisting enforcement of arbitration awards and foreign court judgments, including high-profile enforcement proceedings against the Republic of Egypt, and the Republic of Poland.

We frequently act for and against award and judgment debtors in the United States and Singapore courts.

Meet the people who make things happen.

Dan Tan

Founder and Principal

Mark Beckett

Principal

Matthew Kasdin

Principal

Lee Yew Boon

Senior Associate

Remus Wong

Associate

Dr. Jean Ho

Counsel

Our recent cases.

01
SIAC-administered UNCITRAL arbitration against Asian state oil and gas company in oil and gas pipeline dispute
Successfully acted as Counsel in a SIAC-administered UNCITRAL arbitration against an Asian state-owned oil and gas company arising out of a pipeline dispute. Amount in dispute exceeded US$1 billion.
02
3 Arrows Capital – the first mega crypto arbitration in the world
Defended Three Arrows Capital, a cryptocurrency hedge fund, in emergency and substantive arbitration proceedings against claims exceeding US$2.4 billion. (AAA Arbitration, New York seat, New York law.)
03
Electric-grid concession company against state-owned electricity company and regulator
Counsel for an electric grid concession company against a state-owned electricity company and regulator, with claims exceeding US$350 million and counterclaims exceeding US$400 million. (UNCITRAL Arbitration, London seat, English law.)
04
ICSID Arbitration Against the United Arab Emirates Under the Turkey–UAE Bilateral Investment Treaty
Won an ICSID arbitration arising out of a land reclamation project involving the construction of an external seawall, roads, and related infrastructure to support Corniche Road — a critical transportation artery on the Abu Dhabi waterfront. US$65 million in dispute.
05
State-Owned Construction Company in Construction Arbitration: Delay and Breach Claims
Defended a state-owned construction company in arbitration proceedings involving disputes exceeding US$200 million, relating to the construction of a major plant facility in a South East Asian country. (SIAC Arbitration, South East Asian seat)
06
Entertainment Chain Sale Dispute – Counsel in both concurrent SIAC arbitration and Singapore court proceedings
Represented three respondents in two SIAC arbitration proceedings brought by a global entertainment and lifestyle company, involving the sale of an Asia-wide luxury entertainment chain and related intellectual property claims, with amounts in dispute of approximately S$100 million (US$80 million). Also acted as counsel in concurrent court proceedings in Singapore. (SIAC Arbitration, Singapore seat.)
07
Counsel in both arbitration and concurrent Singapore court proceedings against 30 respondents represented by 6 law firms
Counsel in three SIAC arbitrations (two consolidated) for claimant against almost 30 respondent entities involving dispute over shareholder agreement and corporate takeover. (SIAC Arbitration, Singapore seat, Singapore law.)
08
Securing asset freeze in Singapore Courts and subsequent enforcement of Chinese arbitration award in the United States Courts
Obtaining worldwide asset freeze (Mareva injunction) in Singapore courts, coordinating other injunctions in other jurisdictions, and enforcing against assets in the United States.
09
New York – litigation trust case
Represented Canadian and New York trust defending $150m claim in New York State Court Commercial Division. Successfully resisted associated attachment proceedings and obtained extraordinary denial of stay pending appeal of decision.
10
Enforcement – Republic of Egypt
Successfully enforced US$115m investor-state arbitration award in Washington D.C. against the Arab Republic of Egypt.
11
Enforcement – Republic of Poland
Represented investors in enforcement proceedings in the United States against the Republic of Poland.

01
SIAC-administered UNCITRAL arbitration against Asian state oil and gas company in oil and gas pipeline dispute
Successfully acted as Counsel in a SIAC-administered UNCITRAL arbitration against an Asian state-owned oil and gas company arising out of a pipeline dispute. Amount in dispute exceeded US$1 billion.
02
3 Arrows Capital – the first mega crypto arbitration in the world
Defended Three Arrows Capital, a cryptocurrency hedge fund, in emergency and substantive arbitration proceedings against claims exceeding US$2.4 billion. (AAA Arbitration, New York seat, New York law.)
03
Electric-grid concession company against state-owned electricity company and regulator
Counsel for an electric grid concession company against a state-owned electricity company and regulator, with claims exceeding US$350 million and counterclaims exceeding US$400 million. (UNCITRAL Arbitration, London seat, English law.)
04
ICSID Arbitration Against the United Arab Emirates Under the Turkey–UAE Bilateral Investment Treaty
Won an ICSID arbitration arising out of a land reclamation project involving the construction of an external seawall, roads, and related infrastructure to support Corniche Road — a critical transportation artery on the Abu Dhabi waterfront. US$65 million in dispute.
05
State-Owned Construction Company in Construction Arbitration: Delay and Breach Claims
Defended a state-owned construction company in arbitration proceedings involving disputes exceeding US$200 million, relating to the construction of a major plant facility in a South East Asian country. (SIAC Arbitration, South East Asian seat)
06
Entertainment Chain Sale Dispute – Counsel in both concurrent SIAC arbitration and Singapore court proceedings
Represented three respondents in two SIAC arbitration proceedings brought by a global entertainment and lifestyle company, involving the sale of an Asia-wide luxury entertainment chain and related intellectual property claims, with amounts in dispute of approximately S$100 million (US$80 million). Also acted as counsel in concurrent court proceedings in Singapore. (SIAC Arbitration, Singapore seat.)
07
Counsel in both arbitration and concurrent Singapore court proceedings against 30 respondents represented by 6 law firms
Counsel in three SIAC arbitrations (two consolidated) for claimant against almost 30 respondent entities involving dispute over shareholder agreement and corporate takeover. (SIAC Arbitration, Singapore seat, Singapore law.)
08
Securing asset freeze in Singapore Courts and subsequent enforcement of Chinese arbitration award in the United States Courts
Obtaining worldwide asset freeze (Mareva injunction) in Singapore courts, coordinating other injunctions in other jurisdictions, and enforcing against assets in the United States.
09
New York – litigation trust case
Represented Canadian and New York trust defending $150m claim in New York State Court Commercial Division. Successfully resisted associated attachment proceedings and obtained extraordinary denial of stay pending appeal of decision.
10
Enforcement – Republic of Egypt
Successfully enforced US$115m investor-state arbitration award in Washington D.C. against the Arab Republic of Egypt.
11
Enforcement – Republic of Poland
Represented investors in enforcement proceedings in the United States against the Republic of Poland.

What others say about us.

Global Arbitration Review

A name to know

Impressive attention to detail and strategy

Innovative ways of presenting complex ideas to a multilingual and multi-jurisdictional tribunal.

Clients love him.

Legal 500 USA (2021 to 2024)

Legal 500 USA calls him an “outstanding lawyer.

Tremendous expertise in pursuing arbitrations in Asia.

Always two steps ahead of the other side.

Benchmark Litigation USA (2010 to 2025)

Ranked as a top arbitration practice nationwide.

Ranked as a top litigation practice in California.

Ranked as a Litigation Star in California.

Ranked as an Arbitration Star nationwide for USA.

Chambers Global

A star in the international arbitration world.

[A]n extraordinary legal talent and is extremely creative in the legal theories he uses

combine[s] a strategic approach with persuasive advocacy.

Has excellent skills to present complex facts in an easy way to the tribunal, and is eloquent and persuasive.

Daniel demonstrates a deep understanding of not just the law but also international commercial practices

A phenomenal lawyer

Chambers USA (2012 to 2025)

Dan is a very commercially savvy person who understands what needs to be done to get to the crux of the issue. He is astute in the cultural sensitivities and understands the business perspective.w

Clients and peers overwhelmingly attest to his expertise as ‘a very skilled advocate’ who ‘comes up with practical, commercial advice that clients find extremely useful’ and which ‘always hits the target.