William P. Trenkle Jr.
Kansas City Office
9225 Indian Creek Parkway
Suite 600
Overland Park, KS 66210-2000
T: 913.253.2150
F: 866.347.1476
Practice Areas
Estate Planning & Probate
Business & Corporate Law
Health Care
Banking & Financial Services
Emerging Small Business
Washburn University, J.D. (1967)
  • Board of Editors - Kansas Bar Journal
Kansas State University, B.S., (1964)
  • Kansas (1967)
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William P. Trenkle Jr., Special Counsel

Mr. Trenkle practices as a general business lawyer with an emphasis in taxation. The businesses that he represents range from large agri-business enterprises to a multi-state retailer. This representation includes commercial transactions, entity formation, tax planning, estate planning, and succession planning. Mr. Trenkle enjoys Martindale-Hubbell Law Directory’s highest “AV” rating for lawyers and has been selected by his peers for inclusion in The Best Lawyers in America©, the Missouri & Kansas Super Lawyers® list, and Chambers USA as a leading corporate attorney in the United States. In 2011, he was recognized by Best Lawyers® as the Kansas City, KS Corporate “Lawyer of the Year.”
Professional Memberships, Affiliations, and Honors
  • Recognized by Best Lawyers® as the 2011 Kansas City, KS Corporate “Lawyer of the Year”
  • Selected by peers for inclusion in The Best Lawyers in America© in the areas of Corporate Law, Tax Law, and Trusts & Estates, 1983-2017
  • Selected for inclusion in Missouri & Kansas Super Lawyers® List, 2005-2011 (a Thomson Reuters business)
  • Identified by Chambers USA as a leading lawyer in the United States for Corporate and M&A Law, 2003-2014
  • American Bar Association
  • Kansas Bar Association Distinguished Service Award 2000; Tax Section - Executive Committee and past President; Corporation and Banking Section - past-President
  • Johnson County Bar Association
  • Southwest Kansas Bar Association
  • American Bar Foundation Fellow
  • Kansas Bar Foundation Fellow
  • Kansas Judicial Council Special Committee on Inheritance Tax
  • KS Supreme Court Client Protection Fund Commission
Community Involvement
  • Catholic Diocese of Dodge City - Diocesan Attorney
  • St. Mary of the Plains College of Dodge City - Former Chairman of the Board
  • Newman University of Wichita - Former Member, Board of Trustees
  • University of Saint Mary in Leavenworth, Kansas- Member, Board of Trustees
  • Kansas State University College of Business Administration, Advisory Council - Former Chairman
  • Dodge City Chamber of Commerce - Past President
  • Ford County Development Corporation - Past President

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  • Longtime author of “Tax Notes” for the Kansas Bar Journal.

  • Frequent speaker on taxation, estate planning and business topics for over 100 institutes and events.

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