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Innovative. Integrated. Industry-Focused.

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

  • Regulatory

    Sector-specific expertise to support virtually every aspect of your regulated business activities.

  • Litigation

    Combining creative litigation strategies with business practicality to resolve high-stakes disputes.

  • Transactional

    Trusted advisors for our clients' most complex transactions.

Innovative. Integrated. Industry-Focused.

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

  • Regulatory

    Sector-specific expertise to support virtually every aspect of your regulated business activities.

  • Litigation

    Combining creative litigation strategies with business practicality to resolve high-stakes disputes.

  • Transactional

    Trusted advisors for our clients' most complex transactions.

News Global Law & Public Policy May 13, 2026

U.S. Chamber of Commerce and Brazilian National Confederation of Industry Recognize Ambassador Thomas A. Shannon, Jr. with Brazil–U.S. Industry Award Learn More

News May 8, 2026

San Francisco Business Times Recognizes Ellen Kaye Fleishhacker as a Most Influential Woman in Bay Area Business Learn More

News Investment Management May 8, 2026

Aron Estaver Returns to Arnold & Porter as Investment Management Partner in San Francisco 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 May 4, 2026

Arnold & Porter Advises Brazil on Landmark €5B Global Bond Offering, Largest Ever and First Euro Issuance Since 2014 Learn More

News Commercial Litigation May 12, 2026

Arnold & Porter Secures Complete Victory for NRCO in LNG Project Arbitration Learn More

News Life Sciences & Healthcare Regulatory May 7, 2026

Food and Drug Law Institute Recognizes Elizabeth Trentacost as a Rising Star Learn More

Featured Topic

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

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Arnold & Porter by the Numbers

107K+

2025 Total Pro Bono Hours

16

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164

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