Heidi Silton

Practice Areas

Antitrust Law | Business Litigation

Career

Heidi Silton is a seasoned litigator with more than 30 years of experience representing clients in high stakes complex civil litigation. Throughout her career, Heidi has successfully represented clients in antitrust actions, earning her a reputation as a skilled and aggressive advocate for her clients’ interests. Ms. Silton’s experience spans a wide range of industries and markets and includes section 1 and section 2 cases all the way to trial. Her passion for protecting clients’ economic freedom and opportunity by promoting free and fair competition in the marketplace is at the root of her dedication to antitrust enforcement. She is known and respected by courts nationwide and counsel across the country on both the plaintiff and defense side.

Heidi’s approach to litigation is rooted in thorough preparation, creative problem-solving, and a fierce commitment to achieving the best possible outcome for her clients. Heidi is equally comfortable in the courtroom as in negotiations. She is known for her ability to harness substantial amounts of evidence into a compelling narrative for courts or juries, her ability to think on her feet, her attention to detail while balancing many balls in the air, and her never-ending ability to problem solve.

Heidi has been appointed to key leadership roles in several high-profile antitrust cases. She currently serves in leadership in In re Concrete and Cement Additives Antitrust Litigation, Civil No. 1:24-md-03097 (S.D.N.Y.); In re Apple, Inc. Smartphone Antitrust Litigation, Civil No. 2:24-md-03113 (D. N.J.); In re Axon Vievu Antitrust Litigation, Civil No. 3:23-cv-07182 (D. N.J.); In re Granulated Sugar Antitrust Litigation, Civil No. 0:24-md-03110 (D. Minn.) and In re GoodRx and Pharmacy Benefit Manager Antitrust Litigation (II), Civil No. 1:25-md-03148 (D. R.I.), a significant matter involving claims of anticompetitive practices in the pharmaceutical industry. In addition, she was recently appointed to a leadership position in In re Frozen Potato Products Antitrust Litigation, Civil No. 1:24-cv-11801 (N.D. Ill.), a case addressing alleged price-fixing in the frozen potato products market. These appointments reflect Heidi’s strong reputation for effective advocacy and her extensive experience managing complex class actions.

In addition to investigating and litigating national and international antitrust cases, Heidi is active in antitrust discussion and policy nationwide and is committed to staying up to date on the latest legal developments and trends. She is the past President of The Committee to Support the Antitrust Laws (COSAL), an Advisory Board member of the American Antitrust Institute (AAI), and the past chair of AAI’s Private Enforcement Awards Committee. Along with receiving the Hollis Salzman Memorial Leadership Award in 2024 from AAI and COSAL, she now also sits on the judging committee for the honor. Most recently, Heidi was named a 2025 Minnesota Lawyer Top Woman in Law.

Within her firm, Heidi has led the Hiring Committee, the Summer Associate Program, and the Business Development Committee, and currently serves on the firm’s Executive Committee. Heidi is admitted into courts across the country, as well as being licensed to practice in the State and U. S. District Court of Minnesota, and the Seventh Circuit and Eighth Circuits of the U.S. Court of Appeals.

Heidi continues to be recognized as a thought leader in the antitrust and complex litigation spheres through several speaking engagements. Most recently she was a presenter on Diagonal Agreement at the Cambridge Forum on Antitrust Litigation, a forum for preeminent leaders in their field. As a speaker at the HarrisMartin MDL Conferences, she provides updates on key developments in antitrust litigation. Also, Heidi has also served as a panelist for the American Antitrust Institute several times, contributing her insights on the evolving landscape of class action litigation.

Heidi is committed to community involvement, especially around mentoring and DEI issues, and believes in giving back to the community in meaningful ways. Heidi serves on the boards of Arete Academy and of Reader/Writer, where she is also a writing coach for eighth graders. Heidi has also co-chaired galas to support the Sanneh Foundation, the American Diabetes Association, and Second Harvest.

In her free time, Heidi enjoys traveling, hiking, and exploring art, as well as spending time with family.

Publications

-Congressional Antitrust Bills Seek to Regulate a New Internet Era, Antitrust, Vol. 36, No. 2 (2022) (with Craig Davis and Halli Spraggins)

-Recent Developments in Discovery of European Commission Documents, Global Competition Litigation Review (2021) (with Craig Davis and Eura Chang)

-Fairness Requires the Elimination of Forced Arbitration, The Journal of the Antitrust and Unfair Competition Law Section of the California Lawyers Association (2021) (with Robert Kitchenoff, Pamela Gilbert, Nigar Shaikh, and Geoffrey Kozen)

-Forced Arbitration is a Bar to the Effective Enforcement of the Antitrust Laws; With Equal Right, the Official Journal of Minnesota Women Lawyers (2021) (with Jessica Servais)

-Animal Science: The US Supreme Court’s Interpretation of Foreign Law Asserted by Foreign Governments in Competition Law Cases, 12 Global Competition Litigation Review no. 2, at 45 (2019) (with Craig Davis and Kasia Kokoszka)

-The Discovery Evolution of European Commission Competition Law Documents, 9 Global Competition Litigation Review no. 3, at 96 (2016) (with Craig Davis)

-Trending Methods of International Service of Process:@elusivedefendant #youcanrunbutyoucan’thide#HagueConvention; 31 No. 19 Westlaw Journal Computer and Internet 1; February 27, 2014

-A Conspiracy of Note (and your withdrawal should be too); American Bar Association Journal — Law News Now, March 2013

-Social Media Discovery: The Ongoing Struggle to “Update Status”; Bench & Bar of Minnesota, December 2012 (with Courtney Blanchard); republished in The Computer & Internet Lawyer, May 2013.

-Pfleiderer AG v. Bundkeskartellamt: A Step Forward in Efforts to Obtain Discovery From European Commission Antitrust Proceedings, 19 No. 6 Westlaw Journal Antitrust 1; September 8, 2011 (with Craig S. Davis)

Work Highlights

-Wood Mountain Fish LLC, et al., v. Mowi ASA, f/k/a Marine Harvest ASA, et al. (S.D. Fla.), No. 19-022128-CIV – Court-appointed interim Co-Lead Class Counsel for the Salmon Indirect Purchaser Class

-In re Generic Pharmaceuticals Pricing Antitrust Litig., No. 2:16-md-02724-CMR (E.D. Pa) – Member of End-Payer Plaintiffs Steering Committee

-Staley, et al., v. Gilead Sciences, Inc. et al, No.: 3:19-cv-02573(N.D. Cal.) – Member of Interim Executive Committee for End-Payor Class Plaintiffs

-In re Packaged Seafood Products Antitrust Litig., 15-MD-2670, (S.D. Cal.) – Indirect Purchaser Plaintiffs’ Steering Committee

-Zuccolotto v. Datacomp Appraisal Systems, Inc. et al., No.: 1:23-cv-14797 (N.D. IL)

-Morgan v. EssilorLuxottica S.A. et al.,: 0:23-cv-03065 (D. Minn)

-Township of Howell, Monmouth County, New Jersey v. Axon Enterprise, Inc. et al.,: 3:23-cv-07182 (D. NJ)

-Hutley v. Harley-Davidson Motor Company Group, LLC,: 1:23-cv-00181 (E.D. WI)

-In re Google Digital Advertising Antitrust Litig., No. 1:21-md-03010 (S.D.N.Y.)

-In re Google Play Consumer Antitrust Litig., 5:20-cv-05761 (N.D. Cal.)

-In re Seroquel XR (Extended Release Quetiapine Fumarate) Antitrust Litig., Nos. 20-cv1076 and 20-cv-01090 (D. Del.)

-In Re: Dealer Management Systems Antitrust Litigation,: 1:18-cv-00864 (N.D. IL)

Professional Memberships

-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)

Awards