Elizabeth A. N. Haas is a high-stakes litigator who handles some of the largest multidistrict antitrust cases across the country. As both a litigator and counselor, Elizabeth’s clients are leaders in several industries, including manufacturing, life sciences, pharmaceuticals, automotive, sports, health care, and technology. She is known as a trusted advisor who understands business and strategic objectives at issue. She uses this honed skill to inform practical legal strategies tailored to each client’s particular needs. Her reputation is rock-solid for obtaining excellent results using nimble teams, efficient methods, and watchful attention.

A leader within the firm, Elizabeth is the national chair of the firm’s Antitrust Practice Group. She is also a member of the firm’s national Recruiting Committee and vice chair for the Milwaukee Office Recruiting Committee.

Elizabeth’s focused experience includes investigations, compliance, and litigation, defending clients in purported price fixing and market allocation class actions. Her list of such representations is extensive, including several high-profile antitrust cases, with some involving damages claims in excess of $1 billion. In addition to her work with general counsel, c-suite executives, and legal teams in major companies across the United States, Elizabeth handles global antitrust compliance matters, collaborating with cross-border local counsel. Corporate clients also turn to Elizabeth for business litigation and arbitration representation, especially involving high-stakes commercial and financial disputes.
In parallel to her antitrust litigation practice, Elizabeth advises clients on business matters related to antitrust and competition. She provides vital guidance relating to product pricing, the Robinson-Patman Act, joint ventures, collaborations with competitors, commercial agreements, participation in trade associations and industry organizations, advertising and marketing, intellectual property, supply chain relationships, e-commerce, product distribution, labor and employment, and general compliance. 

Thought Leadership 

Elizabeth regularly makes significant contributions to the antitrust and litigation field through her publications and speaking engagements. The following represent a sampling of her work:

  • Quoted, “Companies Brace for FTC's Use of 'Zombie' Law in Antitrust Enforcement,” ALM Law.com (May 8, 2023)
  • Co-author, “Threats of Antitrust Enforcement in the Supply Chain,” Supply Chain Disruption Series, (August 4, 2022)
  • Co-author, “One Year of Action Since President Biden’s Executive Order on Competition,” Foley Insights (July 27, 2022)
  • Co-author, “Antitrust Division Announces Update to Its Leniency Program and Revamps Answers to Frequently Asked Questions,” Foley Insights (April 5, 2022)
  • Co-author, “Federal District Court in Wisconsin Tosses Price Discrimination Lawsuit Over Legality of Exclusive Car Showrooms Under the Robinson-Patman Act,” Manufacturing Industry Advisor, (March 9, 2022)
  • Co-author, “Antitrust Scrutiny of Supply Chain Issues Continues,” Manufacturing Industry Advisor, (February 18, 2022)
  • Co-author, “FTC to Investigation Supply Chain Interruptions,” Manufacturing Industry Advisor, (November 30, 2021)
  • Co-author, “Legal Implications of Blockchain in Supply Chain Series: What’s Law Got to Do With It?” Blockchain in Supply Chain Blog (October 7, 2021)
  • Co-author, “A Divided FTC Approves Omnibus Resolutions to Step Up Enforcement Actions and Votes to Withdraw the 2020 Vertical Merger Guidelines,” Foley Insights (September 24, 2021)
  • Co-author, “President Biden’s Executive Order on Competition Could Mean Broad Changes Across a Range of Industries,” Manufacturing Industry Advisor Blog (July 14, 2021)
  • Presenter, ABA Antitrust Law Section, Spring Meeting – Antitrust Fundamentals (2021; 2020); Avoiding E-Discovery Accidents (2017)
  • Presenter, Antitrust Counseling for Trade Associations (December 2020)
  • Co-author, “Three Ways Antitrust Enforcement Has Changed Under Coronavirus, and One Way it Has Not,” Foley Insights (March 26, 2020)
  • Co-author, “DOJ Antitrust Division Announces New Policy to Incentivize Corporate Compliance,” Foley Insights (September 5, 2019)
  • Co-author, “Business Litigation & Dispute Resolution in Wisconsin – Business Torts Chapter,” Pinnacle Books (2018 and 2020)
  • Presenter,  “Just How Far Can a Franchisor Go? Ensuring System-Wide Compliance with Price Promotions,” International Forum on Franchising Legal Symposium (May 2019)
  • Co-author, “Antitrust Scrutiny of No-Poaching Agreements Continues to Pick Up Steam,” Foley Insights (September 24, 2018)
  • Co-author, “A Primer: Wisconsin's New Class Action Statute,” Wisconsin Law Journal Volume 91, Number 4 (April 2018)
  • Co-author, “Department of Justice Brings the First Employment-Related Antitrust Case Since the October 2016 Guidance Statement,” Foley Insights (April 12, 2018)
  • Co-author, “Supreme Court Leegin Decision Offers Little Clarity 10 Years Later,” Bloomberg BNA (August 10, 2017)
  • Author, “Individualized Proof of Harm” Required in Robinson-Patman Secondary-Line Claim Prevents Class Certification,” Foley Insights (May 1, 2017)
  • Editor in Chief & Project Chair, “Indirect Purchaser Litigation Handbook,” ABA Publications (2015)
  • Presenter, “Taking Action to Buck Trends in Antitrust Litigation,” Wisconsin Association for Corporate Counsel Annual Conference (May 2017)
  • Presenter, Annual Law of Product Distribution & Franchise Seminars (various antitrust topics)


  • Selected by her peers for inclusion in The Best Lawyers in America© in the field of Franchise Law (2023)
  • Wisconsin Law Journal list of "Women in the Law," (2017) honoring her willingness to tackle difficult cases, volunteer her time in service to the community, and advance the role of women in the legal profession.
  • WLJ "Up and Coming Lawyer" (2011)
  • Wisconsin Super Lawyers – Rising Stars® (2012-2016)


  • ABA Antitrust Law Section Committee Operations co-chair
  • Civil Practice and Procedure Committee, Former Chair and Vice-Chair
  • Seventh Circuit Bar Association
  • Association for Women Lawyers 
  • Milwaukee Bar Association, former member of the board of directors and former co-chair of the Civil Litigation Section
  • United States District Court for the Eastern District of Wisconsin, Local Rules Committee

Community Involvement

Elizabeth is involved in pro bono representation, volunteering her time at the Milwaukee Justice Center at the Milwaukee County Courthouse. She also dedicates significant time to charitable work, including previous service on the board of directors for WBCS, Inc., a nonprofit organization that raises money for breast and prostate cancer research at the Medical College of Wisconsin, and the Women’s Fund of Greater Milwaukee, a nonprofit organization that supports strategic social change initiatives for women and girls. 


  • University of Michigan Law School, J.D., where she was an associate editor for the Michigan Journal of Gender & Law and the Michigan Telecommunications and Technology Law Review
  • The George Washington University, summa cum laude, B.A., History, Phi Beta Kappa


  • Washington, D.C.
  • Wisconsin
  • Supreme Court of the United States
  • United States Court of Appeals for the Third, Seventh, and Eighth Circuits