John W. Porter


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P: +1.713.229.1597 F: +1.713.229.2797

John Porter is a Senior Partner and Partner-In-Charge of the Houston Office who handles federal gift, estate and income tax litigation and controversy work. He is nationally recognized for his expertise in representing taxpayers before and against the Internal Revenue Service in estate and gift tax controversies, especially those involving hard-to-value assets such as interests in family limited partnerships and limited liability companies.

Mr. Porter has served as lead counsel for taxpayers in numerous cases in the United States Tax Court, the Court of Federal Claims, United States District Courts and Courts of Appeals. He also has represented taxpayers in numerous other federal tax audits and administrative appeals. He frequently advises and represents fiduciaries and beneficiaries of trusts and estates with respect to administration and fiduciary duty issues.

Mr. Porter is a Fellow and a former Regent of the American College of Trust and Estate Counsel.  He is also the former chair of the Tax Litigation and Controversy Section of the American Bar Associaton's Real Property, Probate & Trust Section.

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Publications, Speeches and Presentations


  • “A Formula for Avoiding Transfer Tax Litigation?” Willamette Management Associates Insight, Autumn 2010
  • “H.V. Kohler, Jr.: Lessons From the Trenches in a Valuation Dispute,” Journal of Practical Estate Planning, October/November 2006

Speeches and Presentations

Frequent speaker at tax and estate planning seminars for numerous organizations, including:

  • University of Miami Heckerling Institute on Estate Planning
  • Southern California Tax and Estate Planning Forum
  • New York University Institute on Federal Taxation
  • USC Gould School of Law Tax Institute
  • UCLA-CEB Estate Planning Institute
  • Great Western Tax and Estate Planning Conference
  • Notre Dame Tax and Estate Planning Institute
  • The University of Texas Annual Taxation Conference
  • Washington State Bar Association Annual Estate Planning Seminar