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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 Multi-practice June 4, 2026

Chambers USA 2026 Ranks 142 Arnold & Porter Lawyers, 75 Practices Learn More

News Mergers & Acquisitions June 1, 2026

Arnold & Porter Welcomes Corporate Partner Lindsay M. Germano in Denver Learn More

News Emerging Companies & Venture Capital June 2, 2026

Arnold & Porter Advises D. E. Shaw Ventures in Anthropic’s Latest $65B Financing Learn More

News June 4, 2026

Arnold & Porter Advises on Launch of Life Sciences Investment Firm Banyan Bio Learn More

News June 3, 2026

San Francisco Business Times Recognizes Tom Magnani as an Outstanding Voice in the Bay Area Learn More

Featured Topic

The GENIUS Act and Stablecoin Regulation Resource Center Understand The Future Of Digital Currency Policy — Learn More

Presentation Global Life Sciences June 16, 2026

Part I: Biotech Deals — Creating Optimal Licensing and Partnering Arrangements Learn More and Register

News Corporate & Finance June 4, 2026

Arnold & Porter awarded Deal of the Year (2025) for work on establishing the U.S.–Ukraine Reconstruction Investment Fund Learn More

Featured Topic

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