John Harper III

Top rated business litigation attorney in Minneapolis, Minnesota

Messerli | Kramer
John Harper III
Messerli | Kramer

Practice Areas: Business litigation, Business & corporate, Employment litigation; view more

Licensed in Minnesota since: 1977

Education: William Mitchell College of Law

Selected to Super Lawyers: 2004 - 2023

Messerli | Kramer

100 South 5th Street
Suite 1400
Minneapolis, MN 55402 Visit website


John Harper III is an attorney at the law firm Messerli | Kramer, serving areas surrounding the Minneapolis–Saint Paul metropolitan area. His legal practice focuses on matters related to business litigation, commercial disputes, employment law, fiduciary duty and shareholder claims.

Practicing law since 1977, Mr. Harper has experience litigating a variety of matters ranging from financial services to management liabilities. He imparts his knowledgeable advice to people in business and management, regarding risk assessment, business and employment planning, and other fields of his experience.

The sense of assessing a legal situation with accuracy is a skill that Mr. Harper has sharpened over his years of practice. It helps him strategize his plans according to the situation and analyze the objectives and resources of his clients. He strives to maintain an active connection with his clients and be a source of support through the courses of action. 

Mr. Harper has obtained multimillion-dollar settlements for some of his clients and has defended others in courts across the country. He was named on the list of Minnesota Lawyer’s Attorneys of the Year in 2011. He is rated “Good” on Avvo and AV Preeminent* through Martindale-Hubbell.

After graduating with his bachelor’s degree from the University of St. Thomas, Mr. Harper completed his doctorate in jurisprudence from the William Mitchell College of Law in 1977. He has memberships in the Minnesota State Bar Association, the Hennepin County Bar Association, the American Arbitration Association and the Defense Research Institute.

Mr. Harper is admitted to practice in Minnesota and Wisconsin, and appears before the U.S. Supreme Court, the U.S. District Court for the District of Minnesota, the U.S. District Court for the District of Nebraska, the U.S. District Court for the District of North Dakota, the U.S. District Courts for the Eastern and Western Districts of Wisconsin, and the U.S Court of Appeals for the 7th and 8th Circuits.

*AV®, AV Preeminent®, Martindale-Hubbell Distinguished and Martindale-Hubbell Notable are certification marks used under license in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell® is the facilitator of a peer-review rating process. Ratings reflect the anonymous opinions of members of the bar and the judiciary. Martindale-Hubbell® Peer Review Ratings™ fall into two categories – legal ability and general ethical standards.

Practice areas

Business litigation, Business/corporate, Employment litigation: plaintiff

Focus areas

Non-compete agreements, Business formation and planning, Business organizations, Employment discrimination, Wrongful termination, Retaliation

  • 80% Business litigation
  • 10% Business/corporate
  • 10% Employment litigation: plaintiff

First Admitted: 1977, Minnesota

Professional Webpage:

Scholarly Lectures/Writings:
  • Feature, “Former business associates gain favorable settlement from private-equity manager Scott Honour” – Star Tribune, August 2018
  • Feature, “Business Litigation Q&A with Jack Harper”–, 2014
  • Feature, “Bringing Down Trevor Cook: How John Harper III did it” –Super Lawyers, August 2012
  • Feature, “John Harper III: Attorney of the Month” –Attorney at Law Magazine, November 2012
Pro bono/Community Service:
  • University of St. Thomas, School of Law Mentor  
Bar/Professional Activity:
  • Minnesota
  • Defense Research Institute, Member
  • American Arbitration Association, Member
  • Hennepin County Bar Association, Member
  • Minnesota State Bar Association, Member
  • U.S. Supreme Court
  • U.S. Court of Appeals, Eighth Circuit
  • U.S. Court of Appeals, Seventh Circuit
  • U.S. District Court, Western District of Wisconsin
  • U.S. District Court, Eastern District of Wisconsin
  • U.S. District Court, District of North Dakota
  • U.S. District Court, District of Nebraska
  • U.S. District Court, District of Minnesota
  • Wisconsin
  • Martindale-Hubbell® AV Preeminent® for the Highest Level of Professional Excellence
  • Attorney of the Year, Minnesota Lawyer, 2011
  • Super Lawyer, Minnesota Law & Politics and Minnesota Super Lawyers®, 2004-2022
  • Minnesota Lawyer selected John Harper III as one of the Attorneys of the Year in 2011 for his efforts in representing 135 plaintiffs who invested in a $190,000,000 currency arbitrage trading ponzi scheme., Attorneys of the Year, Minnesota Lawyer, 2011
Educational Background:
  • College of St. Thomas, B.A.

Office location for John Harper III

100 South 5th Street
Suite 1400
Minneapolis, MN 55402

Phone: 612-672-3675


20 Years Super Lawyers
  • Super Lawyers: 2004 - 2023

Articles about John Harper III by Super Lawyers

Bringing Down Trevor Cook

Additional sources of information about John Harper III

Attorney resources for John Harper III

Page Generated: 0.1297299861908 sec