Ronald L. Wallenfang, Retired Partner


Ronald Wallenfang is a retired partner with Quarles & Brady. He practiced in the areas of building and construction as well as litigation. His practice concentrated in building and construction contracts, representing owners, architects, engineers, general contractors, subcontractors, suppliers, lenders and sureties. Mr. Wallenfang was involved with construction issues since he began with the Firm in 1969. He participated in hundreds of negotiations and litigations, including service as an AAA arbitrator since 1990. His experience included:

  • Precontract consulting regarding contract options, contract terms and scope of activities.

  • Negotiating and preparing construction contracts appropriate to each client's place in the contract scheme; consulting, to the extent desired by the client, regarding the effect of contract language.
  • Responding to questions arising before, during or after construction regarding performance of the parties, entitlement to extra payments, responsibility for construction defects and other issues, whether we were contacted for the first time at this point or whether we had been involved from an earlier point.
  • Representing client in attempting amicable resolution of issues identified.
  • Participation in mediation, arbitration, litigation or other formal dispute resolution activities if informal resolution was unsuccessful.

Education and Honors

  • Harvard Law School (J.D., 1969)
  • Marquette University (B.S., 1966)

Bar Admissions

  • Wisconsin

Professional and Civic Activities

  • Member: Milwaukee Bar Association; State Bar of Wisconsin; American Arbitration Association; Construction Industry Panel of Arbitrators; O'Meara Life Resources, Inc. (Director); Property Valuation Associates, Inc. (Secretary)
  • The Wisconsin Impact Plan, Inc. (Secretary); St. Thomas More Lawyers Society (Director); Impact USA, Inc. (Secretary)

Professional Recognition

  • Listed in The Best Lawyers in America® (2007-present: Construction Law)
  • Martindale-Hubbell AV® Peer Review Rated
  • Selected for inclusion in the 2005-2007 Wisconsin Super Lawyers® lists (Construction/Surety)


  • French
  • German
  • Swedish

Selected Presentations/Publications

  • Co-author: "Wisconsin Construction Law: What Do You Do When...?" National Business Institute, Inc., 1995
  • Co-editor, "Architect-Engineer Liability Under Wisconsin Law," The Cambridge Institute, 1994
  • "Dealing with a Differing Site Conditions Clause - From the Owner's Point of View," American Bar Association program, 1991
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