John W. Porter


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P: +1.713.229.1597
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"John Porter "has a huge national reputation, and is an absolute star." "He is very experienced, knowledgeable, and responsive." "He provides very practical input and helps us implement planning priorities. He is excellent."

Chambers High Net Worth 2021

John is one of the nation's leading tax controversy attorneys, maintaining a nationwide practice representing high-net worth individuals and businesses in sophisticated Federal tax controversy matters.

John has served as lead counsel for taxpayers in some of the most significant published estate and gift tax decisions in the last twenty-five years, including cases addressing formula clauses used to transfer hard to value assets, the application of I.R.C. § 2036 to family entities, the built-in capital gains discount when valuing stock, the "net-net gift discount," the valuation of closely-held entity interests, and the reasonable reliance defense to IRS penalties.

John represents taxpayers in every aspect of the tax controversy practice. His experience includes representing taxpayers before the IRS (including examination, mediation and appeals) and in litigation against the IRS in the United States Tax Court, the United States Court of Federal Claims, the United States District Courts, and the United States Courts of Appeal. He is described as both "extremely effective" and "a wonderful negotiator." (Chambers High Net Worth, 2018).

John also counsels clients engaging in business and estate planning transactions, to preventively deal with issues and properly report transactions before an IRS controversy arises. He also has extensive knowledge of and experience with privilege issues. He frequently advises and represents fiduciaries and beneficiaries of trusts and estates with respect to administration and fiduciary duty issues.

John is a fellow of the American College of Trust and Estate Counsel and the American College of Tax Counsel.

John is a frequent author and presenter for numerous tax and estate planning conferences. He is a regular presenter at the Heckerling Institute on Estate Planning, the New York University Federal Tax Institute, the Southern Federal Tax Institute, and many other programs.

John is also active in the community. He serves as Vice Chair of the Board of Directors of the Memorial Park Conservancy and also served as Chair of the Conservancy's Governance Committee. He has also served two terms on the Vestry of St. Francis Episcopal Church.

Chambers describes John as "widely recognized for his expertise representing clients in gift, income and estate tax matters against the IRS." Others interviewed by Chambers note that "he is really the leading estate and gift tax litigator in the country," and point out that "he's handled some of the biggest cases." Chambers interviewees also observe that John "is very knowledgeable about the law" and "handles everything in a calm manner." (Chambers High Net Worth, 2019).

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