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Innovative. Integrated. Industry-Focused.

World-class regulatory, litigation and transactional solutions for your most complex challenges.

Innovative. Integrated. Industry-Focused.

World-class regulatory, litigation and transactional solutions for your most complex challenges.

Congressional Oversight & Investigations

Facing a Congressional Inquiry? Learn How We Help Clients Manage Legal and Reputational Risk

News International Arbitration November 4, 2026

Latinvex Recognizes Mélida Hodgson in 2026 ‘Latin America’s Top 100 Female Lawyers’ List Learn More

News Artificial Intelligence November 4, 2026

Forbes — “America's Top Lawyers For AI 2026” Learn More

News October 28, 2026

Arnold & Porter Shortlisted at 2026 Financial Times Innovative Lawyers North America Awards Learn More

News Intellectual Property October 22, 2026

IAM Global Leaders 2027 Recognizes Deborah Fishman, David Marsh, Ewan Townsend, and Matthew Wolf Learn More

News October 23, 2026

Chambers Brazil 2026 Again Recognizes Arnold & Porter’s Banking and Finance Capabilities Learn More

Arnold & Porter’s Trial School

Arnold & Porter's Trial School gives associates hands-on experience in the courtroom. Watch how we're preparing the next generation of trial lawyers.

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The GENIUS Act and Stablecoin Regulation Resource Center Learn More

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Middle East Crisis: Navigating the Conflict with Iran Learn More About Our Strategic Advisory and Counsel Services

Arnold & Porter by the Numbers

107K+

2025 Total Pro Bono Hours

Offices Worldwide

173

Chambers-Ranked Lawyers