John A. Sikora

John A. Sikora

Milwaukee, WI recognized lawyers icon Recognized in Best Lawyers since 2003
von Briesen & Roper SC

82 Best Lawyers awards

von Briesen & Roper SC logo

Awarded Practice Areas

Corporate Law Tax Law

Biography

John Sikora is a Shareholder representing clients in tax planning, tax controversies and the buying and selling of businesses and real estate with a particular focus on corporate, partnership and other business matters.

John is an adjunct professor of law at Marquette University Law School, where he has taught the tax practice and procedure and corporate income tax courses. John has also taught the taxation of partnerships and S corporations course to graduate accounting degree candidates at the University of Wisconsin-Milwaukee. In addition he has served as the instructor for numerous continuing education programs, including courses offered by the State Bar of Wisconsin and the Wisconsin Institute of Certified Public Accountants (WICPA).

John has served as the chair of the Taxation Section of the Milwaukee Bar Association, was the chair of the Board of Directors of the State Bar of Wisconsin Taxation Section, and the editor of the Wisconsin State Bar Tax News.

von Briesen & Roper SC

82 Best Lawyers awards

von Briesen & Roper SC logo

Overview

  • University of Wisconsin–Madison, J.D., cum laude
  • University of Wisconsin–Madison, B.B.A.

  • Wisconsin, State Bar of Wisconsin

  • Milwaukee Bar Association - Member
  • State Bar of Wisconsin - Member

  • U.S. Tax Court
  • U.S. Court of Federal Claims
  • Wisconsin, State Bar of Wisconsin
  • Milwaukee Bar Association - Member
  • State Bar of Wisconsin - Member
  • University of Wisconsin–Madison, J.D., cum laude
  • University of Wisconsin–Madison, B.B.A.
  • U.S. Tax Court
  • U.S. Court of Federal Claims

Client Testimonials

Awards & Focus

Lawyer of the Year Badge - 2013 - Tax Law
Named "Lawyer of the Year" by Best Lawyers® for:
  • Tax Law, Milwaukee (2013)
Recognized in The Best Lawyers in America® 2026 for work in:
  • Corporate Law
  • Tax Law
Special Focus:
  • Litigation
Awards:
  • Wisconsin Super Lawyers® (2005-2013)
  • AV Preeminent® Peer Review Rated by Martindale-Hubbell®

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