Caitlin Dahl represents companies in complex commercial litigation, mass arbitrations, class actions, and investigations.

Ms. Dahl helps clients navigate business-threatening disputes, including:

  • Government enforcement actions
  • Government investigations, including by the Drug Enforcement Administration (DEA), Environmental Protection Agency (EPA), and the Securities and Exchange Commission (SEC)
  • Environmental disputes
  • Mass arbitrations
  • Multidistrict class actions
  • Business-to-business disputes

She brings sophisticated research, writing, and oral advocacy skills to each matter. Ms. Dahl collaborates with clients and her teams to translate complex legal issues and to partner on commercial solutions.

Ms. Dahl maintains an active pro bono practice with a particular focus on representing women who have been victims of domestic violence, LGBTQ+ asylum seekers, classes of incarcerated people, and veterans seeking US citizenship.

Active in firm leadership, she serves on the firm's Mentoring Committee, has served on the Recruiting and Training & Career Enhancement Committees, was a Co-Chair of the Women Lawyers Group, and is a member of the Parents Lawyer Group.

During law school, Ms. Dahl participated on the National Appellate Moot Court team and interned at a county prosecutor’s office.

Ms. Dahl’s experience includes representing:

Government Investigations and Enforcement

  • A global truck and engine manufacturer in an SEC investigation related to the company’s engine technology
  • A global truck and engine manufacturer in litigation involving the Clean Air Act
  • Navistar and its former CEO in connection with SEC investigations, securities lawsuits, and derivative actions arising from alleged misstatements regarding its mobile source emission strategy, including complex and highly technical analysis of engine certification applications, testing requirements, and diesel engine programs
  • A waste management company in defending regulatory enforcement proceedings by the DEA, the EPA, and the Department of Justice in connection with the company’s former waste disposal business
  • A waste management company in an EPA civil investigation in the Southern District of New York regarding the company’s compliance with hazardous waste regulations under the Resource Conservation and Recovery Act

Litigation and Arbitration

  • A higher education institution in approximately 20 bellwether arbitrations relating to misleading advertisements that contained graduates’ employment statistics
  • A biopharmaceutical company in an American Arbitration Association arbitration relating to the development and commercialization of an antibody
  • A global transportation company in class actions filed in the US District Court for the Northern District of Illinois related to the company’s exhaust gas recirculation engines
  • The National Collegiate Athletic Association in multidistrict class action litigation related to head injuries in college sports
  • A regulated public utility in an International Chamber of Commerce (ICC) arbitration relating to the replacement of steam generators
  • A Paris-based advertising company in an ICC arbitration relating to the development of a software solution

Bar Qualification

  • Illinois
  • New York


  • J.D., Notre Dame Law School, 2011
    magna cum laude
  • BA, University of Notre Dame, 2006