Matt Huppert
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Matt is an experienced antitrust litigator with deep trial and appellate experience representing both plaintiffs and defendants in complex civil enforcement and commercial disputes. Joining Winston & Strawn from the U.S. Department of Justice’s Antitrust Division, he has a background in investigating and litigating civil antitrust violations, with a focus on monopolization and merger challenges across a range of industries, including technology, aerospace, transportation, and industrial manufacturing.
Key Matters
- Served as co-lead trial counsel in the Antitrust Division’s successful monopolization case against Google’s ad tech practices, leading the remedies-phase closing argument and supervising trial teams.
- Lead investigator and co-lead trial counsel in the Antitrust Division’s Clayton Act challenge to ASSA ABLOY’s acquisition of a door hardware competitor.
- Supervised trial team in the Antitrust Division’s successful Clayton Act challenge to JetBlue’s proposed acquisition of Spirit Airlines.
- Represented Comcast in Viamedia v. Comcast, and won precedent-setting reversal in Seventh Circuit of adverse trial court rulings, in a major monopolization dispute.
- Represented music streaming service in trial before the Copyright Royalty Board.
- Represented the National Credit Union Administration Board in coordinated securities lawsuits that recovered $5.1 billion for defunct credit union and in opt-out antitrust litigation related to conspiracy to fix a key benchmark interest rate.