Bar Admissions
1995, Minnesota
William Mitchell College of Law, 1995
Court Admissions
Minnesota U.S. District Court, District of Minnesota U.S. Court of Appeals, Seventh Circuit U.S. Court of Appeals, Eighth Circuit


Heidi Silton is a partner in the firm’s antitrust department and practices primarily in complex business litigation. Heidi represents mainly small and mid-sized businesses in complex litigation involving other businesses and litigates in Minnesota and throughout the United States. She and the firm are regularly appointed lead and co-lead plaintiffs’ class counsel by courts in nationwide antitrust litigation.

For the past several years, Heidi has been named one of Minnesota’s top 50 women lawyers, and top 100 lawyers, by a peer review list of leading Minnesota Lawyers. She currently serves as the President of The Committee to Support the Antitrust Laws (COSAL) and as an Advisory Board member of the American Antitrust Institute (AAI) and is the current chair of AAI’s Private Enforcement Awards Judging Committee. She also serves as Vice-Chair to the American Bar Association’s Antitrust Section Membership and Diversity Committee and as an advisor to the American Bar Association’s Global Private Litigation Committee. Heidi is a past chair and emeritus of the Minnesota State Bar Association Antitrust Law Section.

In addition to her litigation practice, she is a member of Twin Cities Diversity in Practice’s Membership and Engagement Committee and a member of the firm’s Diversity and Inclusion Committee. Heidi believes in the value of mentorship and works to mentor other attorneys both inside and outside her firm.

An active volunteer in her community, Heidi serves on the board of Arete Academy and on the board of Reader/Writer where she is also a writing coach for 8th graders. Heidi has also co-chaired galas to support the Sanneh Foundation, the American Diabetes Association, and Second Harvest.

Representative Cases

  • Precision Associates, Inc., et al. v. Panalpina World Transport (Holding) Ltd., et al.;
  • In re Digital Music Antitrust Litig. , Master File No. 1:06-md-01780-LAP (S.D.N.Y.);
  • In re Keurig Green Mountain Single-Serve Coffee Antitrust Litigation , MDL No. 2542 (S.D. N.Y.);
  • In Re Potash Antitrust Litigation (II);
  • In Re Urethane Antitrust Litigation;
  • In Re MSG Antitrust Litigation



  • “Working with Experts; class certification trends, strategies and pitfalls related to different classes” at the COSAL Diversity, Equity, and Inclusion Summit (October 20, 2022)
  • Panelists on the Diversity and Class Certification Panel at the American Antitrust Institute’s 15th Annual Private Antitrust Enforcement Conference (November 10, 2021)
  • Guest participant on the AAI podcast Antitrust and Diversity in the Plaintiffs’ Bar: A Conversation With Two Leading Private Enforcers to discuss insights and key aspects of the importance and role of women and diverse attorneys in antitrust, and in the plaintiff’s bar (November 3, 2020)
  • “Hot Topics in Obtaining Discovery in Foreign Countries” at the University of Minnesota Law School as part of an Electronic Discovery Seminar (March 4, 2014)
  • “Generational Issues in the Law” at the University of Minnesota Law School as part of the MSBA and Women in the Legal Profession seminar series (April 4, 2013)
  • “Hot Topics in Antitrust Law” at a Minnesota Women Lawyers CLE (January 18, 2012)
  • “Hypotheticals for Practical Application” at the MSBA CLE on Antitrust Law Issues in Intellectual Property Litigation and Licensing (May 25, 2011)

Professional Recognition

  • Named a 2023 Lawyer of Distinction
  • The National Trial Lawyers – Top 100 in the Civil Plaintiff Practice Area
  • Recognized by Women We Admire as one of the Top 50 Women Leaders of Minnesota for 2022. Read more: https://thewomenweadmire.com/2022/06/27/the-top-50-women-leaders-of-minnesota-for-2022/
  • Presented with 2021 COSAL President’s Award, read more here: https://www.cosal.org/antitrust-laws-blog/heidi-silton-presented-with-2021-cosal-presidents-award
  • Named a Top 50 Lawyer in America – Antitrust – Minnesota
  • Named a Minnesota Super Lawyer® from 2003-2022.
  • Named one of Minnesota’s Top 50 Women Super Lawyers® in 2012, 2015-2019, and a Top 100 Minnesota Women Super Lawyer® for 2007-2009.
  • Named a Top 100 Minnesota Super Lawyer® in 2017.
  • Named one of the Minneapolis/St. Paul Business Journal’s “40 Under 40” in 2005.
  • Past President of the Committee to Support the Antitrust Laws (COSAL)
  • Co-Vice Chair of the American Bar Association Membership
  • Advisory Member of the American Bar Association Global Private Litigation Committee, Antitrust Section
  • Member of the Twin Cities Diversity In Practice (TCDIP) Engagement & Innovation Committee
  • Chair of the American Antitrust Institute (AAI) Antitrust Enforcement Awards Judging Committee
  • Advisory Board Member of the American Antitrust Institute (AAI)

Heidi M. Silton

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