Matthew J. Duchemin, Partner


Matt Duchemin is an experienced litigator and strategic counselor with substantial experience in complex business and intellectual property cases. He has counseled clients in cases involving intra-company ownership disputes, theft of trade secrets, commercial contracts, fiduciary duties, patent infringement, trademarks and trade dress, product defects, and other commercial issues. He has represented clients in state and federal courts throughout the country. In the past three years Matt has helped to obtain jury verdicts of $44,126,822 and $5,443,484. Matt prides himself on partnering with clients to achieve efficient outcomes that are consistent with his clients’ established goals, at a managed and predictable cost.

Matt was also active in firm management. He formerly served as the Madison Office Chair of the firm’s Litigation & Dispute Resolution Group. In the past he was National Chair of the firm’s Summer Associate Committee. Matt also helped lead and create the firm’s Client Matter Management initiative — a multifaceted, firm-wide program, defining specific protocols for the intake of new matters, the planning and estimation of costs and outcomes, the systematic-yet-flexible execution of those matters, and their final resolution to the client’s satisfaction.

Legal Services

Education and Honors

  • Marquette University Law School (J.D., cum laude, 1999)
    • Marquette Law Review (Managing Editor)
  • University of Notre Dame (B.A., 1996)

Bar Admissions

  • Wisconsin

Court Admissions

  • U.S. District Court, Western District of Wisconsin
  • U.S. District Court, Eastern District of Wisconsin
  • U.S. District Court, Northern District of Illinois
  • U.S. District Court, Eastern District of Texas
  • U.S. Court of Appeals, Federal Circuit
  • U.S. Court of Appeals, 7th Circuit
  • U.S. Court of Appeals, 11th Circuit

Professional and Civic Activities

  • State Bar of Wisconsin (Member)
  • American Bar Association (Member)
  • Dane County Bar Association (Member)
  • Seventh Circuit Bar Association (Member)
  • Wisconsin Bar Association (Member, Eastern and Western Districts; Board of Governors, Western District)

Professional Recognition

  • Listed in The Best Lawyers in America®, Commercial Litigation, Litigation – Intellectual Property, 2020-present
  • Wisconsin Super Lawyers®-Rising Stars Editions, Business Litigation; Intellectual Property Litigation, 2007-2008, 2011-2012 
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