Mackall, Crounse & Moore, PLC has joined Dewitt Ross & Stevens S.C.

The newly formed DeWitt Mackall Crounse & Moore S.C. will provide clients with enhanced legal services
and efficiencies as well as access to more than 100 attorneys practicing in nearly 30 areas of
law in Wisconsin and Minnesota.

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Minard "Mike" Halverson

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Karen Herberg

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Mike works in the litigation practice group of DeWitt and has extensive experience with litigation matters, case analysis, strategic planning, and negotiations.  He is a logical and resourceful, team-oriented attorney who effectively anticipates and evaluates legal issues to protect clients and resolve cases. His experience includes matters related to business, product liability, commercial law, litigation, contract law and construction law. 

He is a veteran of the United States Army, where he served on active duty while specializing in Satellite Communications.  Mike is also a former member of the North Carolina Army National Guard.

Notable Representations​

  • Lead counsel defending traumatic brain injury case with compensatory and punitive damage exposure in excess of $20 million; drove investigation and discovery, limited exposure, and developed contribution claim against third party defendant; successfully mediated settlement within insurance policy limits, eliminated punitive damages, and preserved contribution action.
  • Successfully defended general contractor in construction defect case where plaintiff alleged $500,000 in structural damage; retained and consulted structural engineer to develop defense and present expert testimony; obtained defense verdict at trial.
  • Lead counsel representing general contractor against defective construction claims brought by homeowners' association; retained experts to evaluate claims on over 100 townhomes; asserted claims against sub-contractors; successfully mediated settlement within insurance policy limits.
  • Lead counsel defending product liability contribution action; evaluated insurance coverage of business unit during period of exposure to assert cross- and counter-claims; conducted discovery confirming insurance coverage for target business unit; recovered $120,000 at mediation.
  • As lead counsel, successfully defended product liability case in federal court; severely burned plaintiff alleged improper testing protocol and failure to warn; employed targeted investigation and discovery focused on governmental regulations, compliance, and testing protocols; secured favorable settlement at pre-trial conference.


  • Disasters and the Law, 2019 — Cumberland County Bar Association (CLE)
  • Storm Surge: Representing Disaster Survivors before FEMA, 2018 — Legal Aid of North Carolina, Inc. (CLE; panelist)
  • Know Your Rights Under the Service Members Civil Relief Act — multiple presentations 2010-2018

Our Locations

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Madison - Get Directions

Minneapolis -Get Directions


Get to know us

DeWitt LLP is one of the ten largest law firms based in Wisconsin, with an additional presence in Minnesota. It has more than 130 attorneys practicing in Madison, Greater Milwaukee, Green Bay and Minneapolis in over 30 legal practice areas, and has the experience to service clients of all scopes and sizes.


We are an active and proud member of Lexwork International, an association of mid-sized independent law firms in major cities located throughout the Americas, Europe and Asia and an active member of SCG Legal, an association of more than 140 independent law firms serving businesses in all 50 state capitals and major commercial centers around the world.


Best Lawyers 2013 – 2021
Super Lawyers 2021
Compass Award 2012
Top 100 Lawyers: National Trial Lawyers Association


While we would like to hear from you, we cannot represent you until we know that doing so will not create a conflict of interest. Accordingly, please do not send us any information about any matter that may involve you until you receive a written statement from us that we represent you (an “engagement letter”). You will not be a client of the firm until you receive such an engagement letter.

The best way for you to initiate a possible representation is to call DeWitt LLP at 608-255-8891. We will make every effort to put you in touch with a lawyer suited to handle your matter. When you receive an engagement letter from one of our lawyers, you will be our client and we may exchange information freely.

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