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Arnold & Porter's trial lawyers are known for delivering results when the stakes are high and the issues complex. Our trial experience spans a broad spectrum of industries, substantive legal issues, and even borders. Our litigators have successfully tried hundreds of jury and bench trials, and we have taken to verdict cases involving allegations ranging from product liability to copyright and patent infringement, insurance, fraud, and breach of contract. Our skills in developing the company's strategy, the preparation and defense of witnesses, expert testimony, and expert cross examinations helps direct the course of the trial to a favorable result.

Arnold & Porter litigators are "master strategists," "trusted trial lawyers" and “effective advocates in court." — Chambers USA
"They are highly skilled and effective trial lawyers, and it's an exceptional team that provides personal attention and tireless service." —Chambers USA

Experience Highlights

  • BP West Coast Products in securing jury trial victory against allegations of overcharging and a defective point-of-sale computer system. 

  • ​​​​​Auxilium Pharmaceuticals, now Endo Pharmaceuticals, in obtaining a jury verdict in bellwether trial for multidistrict litigation involving testosterone replacement therapy. 

  • ​​​​​​CoreSite, an NYSE-listed REIT founded by the Carlyle Group, in securing a unanimous jury verdict against claims of breach of contract, federal and state trademark and trade dress, unfair competition, and state Consumer Protection Act. 

  • Atlantic Richfield in securing verdict of no liability in personal injury trial involving lead paint. 

  • ​​​​​​Philip Morris USA as trial counsel in the "Engle progeny" litigation and other individual smoking and health cases.

  • Boston Scientific in securing $35 million jury verdict in significant patent litigation related to transcatheter heart valve technology.

  • ​​​​​​Planned Parenthood in securing multimillion-dollar jury verdict on all claims against anti-abortion activists for RICO, trespass, fraud, illegal recording, and contract violations.

  • Hologic and Grifols in securing a jury verdict against in the District of Delaware a $90-million patent claim brought by medical diagnostics company bioMerieux involving HIV-1 detection technology.

  • North Carolina Gerrymandering in securing unanimous finding that the extreme partisan bias of North Carolina's legislative maps violated the North Carolina Constitution. 

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    Recommended – Dispute Resolution — California; New York (2024);
    Highly Recommended – Dispute Resolution — District of Columbia (2024)
  • U.S. News & World Report and Best Lawyers
    “Best Law Firms” for Bet-the-Company Litigation—Chicago, Colorado, San Francisco (2024)
    “Best Law Firms” Mass Tort Litigation/Class Actions – Defendant—National, New York (2024)
    “Law Firm of the Year” for Mass Tort Litigation/Class Actions—Defense (2019)
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    Shortlisted – Litigation Department of the Year
    Litigation Department of the Year – Honorable Mention
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    “Standout”—North America (2023)