Eric H. Chadwick

Shareholder - Litigation, CFO

Patent Lawyers

Eric Chadwick serves as CFO and also heads up the firm’s litigation department. His practice, which has included representation of clients in varied aspects of intellectual property litigation throughout the U.S., focuses primarily on patent infringement litigation. Eric works with his clients to achieve goal-oriented litigation results. He has taken more 10 cases to verdict, in matters ranging from farming technology to life-saving medical devices. Eric is also involved in the firm’s post grant proceedings practice.

Professional Experience

Before joining Patterson Thuente in 1997, Eric served as a law clerk to the Honorable Peder B. Hong in the First Judicial District for the state of Minnesota. He also worked for a year in the trial department at Dorsey & Whitney.
Recent cases:
  • Secured $23 million verdict for medical device manufacturer involving breach of patent cross-license
  • Secured no-liability verdict for wholesale distributor involving trademark infringement and related business claims
  • Secured dismissals of five separate non-practicing entity (NPE) patent infringement suits against computer software manufacturer, all involving no settlement payment
  • Secured seven-figure settlement for computer hardware manufacturer including redesigned product and no license


Best Lawyers in America, 2016 – 2018
IAM Magazine Patent 1000, 2014 – 2017
Inducted as Fellow of the Litigation Counsel of America,  2016
National Law Journal Top 100 Verdicts of 2015
Super Lawyers, Minnesota Law & Politics, 2008
Rising Star, Minnesota Law & Politics, 2006 – 2008


Iowa State University, B.S., Industrial Engineering, 1991
William Mitchell College of Law, J.D.,1994, cum laude


Supreme Court of Minnesota
U.S. Courts of Appeal for the 8th and Federal Circuits
U.S. District Court, District of Minnesota
U.S. District Court, District of Colorado
U.S. District Court, Eastern District  of Wisconsin
U.S. Patent and Trademark Office


 American Intellectual Property Law Association (AIPLA)
Minnesota Intellectual Property Law Association (MIPLA)
Minnesota Chamber of Commerce
Hennepin County Bar Association


Alternative Fee Arrangements for Litigation Matters, Ideas on Intellectual Property Law, June/July 2012
A photo of Eric Chadwick, a IP Litigation Attorney in Minneapolis

Eric H. Chadwick

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