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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.

News Intellectual Property July 27, 2026

Arnold & Porter Grows International Trade Commission Litigation Practice with Partner Brian Hill Learn More

News Private Client Services July 23, 2026

Chambers High Net Worth 2026 Recognizes Arnold Porters Lawyers and Private Client Services Learn More

News Artificial Intelligence July 13, 2026

Arnold & Porter Strengthens AI Leadership, Appoints Roger Maeda as the Firm’s First Chief Artificial Intelligence Officer Learn More

News Antitrust/Competition July 20, 2026

Arnold & Porter Shortlisted for 14 Awards at 2026 LMG Life Sciences Americas Awards Learn More

Inside Litigation Commercial Litigation July 14, 2026

MFN Drug Pricing: What Pharmaceutical Manufacturers Need to Know About Their International Agreements Watch Here

News July 16, 2026

Latinvex Again Ranks Arnold & Porter Among Top International Law Firms in Latin America Learn More

Media Mention Trials July 2, 2026

Arnold & Porter’s Trial School Spotlighted in The National Law Journal Learn More

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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