“A legendary first-chair litigator”

– Reuters

“One of the World’s Leading Litigation Lawyers”

- Euromoney Institutional Investor

John B. Quinn is the executive chairman and founding partner of Quinn Emanuel Urquhart & Sullivan LLP, the largest law firm in the world devoted solely to business litigation and arbitration, and is regarded as one of the top trial lawyers in the world.

— Notable Representations —

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— Law, disrupted podcast —

— In the media —

The Sunday Times - Mar 7 2026

US Lawyers Work Harder, Suggests Boss of ‘Most Feared’ Legal Firm

TBPN - Mar 2 2026

Why the Supreme Court Shut Down Trump Tariffs & How AI Is Transforming the Courtroom

New Law Order - Feb 11 2026

Building a World Litigation Empire – An Interview With John B. Quinn

Non-Billable - Dec 16 2025

Quinn Emanuel Co-Founder John Quinn on Building a Global Disputes Powerhouse