People

Daniel Campbell

Partner

Daniel R. Campbell is a trial lawyer with significant experience trying cases in state and federal courts. He focuses his trial practice on a variety of commercial litigation matters, including private capital litigation, collective and class actions, products liability and aviation actions, alcohol and beverage industry disputes, and trust and estate litigation matters. Daniel is the co-lead of the firm’s class-action litigation practice and chair of the Associates Committee.

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Results
  • Obtained complete acquittal after a criminal jury trial in the first-ever criminal no poach trial in the 130+ year history of the Sherman Act on behalf of former senior executive of DaVita, Inc.
  • First-chaired a three-day emergency arbitration related to termination for cause of private equity fund member
  • Co-chaired, and prevailed in, a five-day jury trial in a police brutality case under Section 1983
  • Co-chaired a two-week bench trial in private equity purchase price dispute in Miami state court
  • Co-chaired, and prevailed in, an evidentiary hearing on a motion for preliminary injunction in a trade secrets case alleging theft of software and source code trade secrets where plaintiff alleged more than $120 million in damages –; cross examined plaintiff CEO and directed key expert witness at hearing in obtaining favorable result

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Recognitions
  • Chambers USA, 2026
  • Legal 500 US, Recommended Lawyer, 2025
  • Best Lawyers: Ones to Watch in America, Commercial Litigation (2023-2026), Product Liability Litigation – Defendants (2023-2026), Mass Tort Litigation / Class Actions – Defendants, 2026
  • Crain’s Chicago Business, 40 Under 40, 2023
  • Financial Times Innovative Lawyers North America, “Highly Commended” for Practice of Law: Access to Justice & Civil Rights, 2023

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Capabilities and industries
Regional markets
Community
  • Legal Aid Chicago, board of directors member, governance committee co-chair
Credentials
Education
  • University of Illinois College of Law, JD, magna cum laude
  • University of Missouri, BA, summa cum laude
Admissions
  • Illinois
  • Missouri
Courts / Agencies
  • US Court of Appeals for the Seventh Circuit
  • US Court of Appeals for the Eighth Circuit
  • US District Court for the Central District of Illinois
  • US District Court for the Northern District of Illinois (Trial Bar)
  • US District Court for the Southern District of Illinois
  • US District Court for the Western District of Wisconsin
  • US District Court for the District of Colorado
  • US District Court for the Eastern District of Missouri
Languages
  • English