Sidley Austin LLP‘s international arbitration practice is noted for being the ’best in the business’, with a focus on multi-jurisdictional bet-the-company arbitrations. The team is particularly skilled at handling investor-state arbitrations and boasts an impressive client list, including the likes of Lone Star US Acquisitions, InfraRed Capital Partners, and TC Energy Corporation. In Washington DC, Gregory Williams leads the team, acting on novel claims across the energy, defense, government contracts, and infrastructure sectors. In New York Simon Navarro focuses on cross-border disputes, particularly those with a Latin American or European nexus, while Martin Jackson specializes in disputes involving international financial transactions and insurance. In San Francisco, Scott Nonaka has knowledge of disputes with an Asian component, particularly in the tech, energy, and construction sectors.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘They are the best in the business. They deliver. They are extremely talented and are one step ahead of the opponent. They anticipate the opponent's moves and are persuasive, hard-working and easy to work with.’

  • ‘The one lawyer that stands out is Simon Navarro. He is in a league of his own. He is a strategic thinker, who understands our business and is always available. He goes the extra miles and is particularly impressive at the hearing. He makes complicated things look easy. And he has become our go-to disputes lawyer.’

  • ‘The team understands the need of a client to be updated every step of a cross border litigation. The team provides relevant insights for decision making.’

  • 'Melissa Colón-Bosolet is capable of explaining complex issues with clarity. ’
  • ‘The team works very well together under the leadership of Jim Mendenhall. The associates are very talented.’

  • ‘Jim Mendenhall is a superb lawyer, excellent manager, an exceptional advocate and a deep thinker. He has all the qualities of an accomplished lawyer of the highest quality. Excellent client management too.’

Key clients

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  • Lone Star US Acquisitions, LLC
  • Nevro Corporation
  • InfraRed Capital Partners
  • BAE Systems Technology Solutions & Services, Inc.
  • TC Energy Corporation
  • AAN Digital Services Holding Company KSC
  • Nanko Shipping

Lawyers

Practice head

Gregory M. Williams

Other key lawyers

Jim Mendenhall; Melissa Colón-Bosolet; Simon Navarro