Quinn Emanuel Urquhart & Sullivan, LLP has a broad range of experience in corporate investigations, government enforcement, and white-collar defense. The firm represents clients in complex matters, including healthcare, securities, and government contract fraud, FCPA violations, money laundering, sanctions evasion, economic espionage, tax evasion, and antitrust issues. They handle internal investigations, congressional and regulatory inquiries, grand jury investigations, and trials. William A. Burck, based in Washington DC, is a skilled trial lawyer with extensive experience in high-stakes regulatory and government investigations, including FCPA, antitrust, securities, and political disputes. Juan Morillo, also in Washington DC, advises clients on fraud, bribery, FCPA compliance, and international extradition while representing major public companies. Sam Williamson, focuses on securities law and FCPA enforcement, while Alex Spiro, a well-known white-collar lawyer in New York, brings significant expertise in high-profile cases. Daniel Koffmann, based in New York and Los Angeles, handles sensitive corporate crises and government investigations. Sara Clark, part of the Washington DC office, boasts knowledge in complex internal and government investigations.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • 'The well established team around Juan Morillo delivers at any time excellent, practical and to the point advice being mindful of any relevant aspects beyond US law.'
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Key clients

  • Trafigura
  • X Corp.
  • Cruise and General Motors Holdings LLC
  • FTX
  • Citadel
  • Joint Stock Company Commercial Bank PrivatBank
  • Swedbank AB
  • Binance
  • Amarex Clinical Research

Work highlights

  • Represented Trafigura in connection with an investigation by the Commodities Futures Trading Commission into a range of allegations.
  • Representing X Corp. (successor in interest to Twitter Inc.) in connection with an FTC investigation regarding the company’s privacy, data protection, and information security practices.
  • Conducted an internal investigation on behalf of Cruise and GM into Cruise’s response to an accident involving a Cruise vehicle and a pedestrian in San Francisco.

Lawyers

Leading partners

The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

William A. Burck

Next generation partners

Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.

Daniel Koffmann

Leading associates

Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.

Sara Clark

Practice head

William (Bill) Burck; Juan P. Morillo; Sam Williamson; Alex Spiro

Other key lawyers

Daniel Koffman; Sara Clark