Low-cost representation of taxpayers with controversies before the U.S. Tax Court

TLI Litigation Services
1717 N St. NW
Washington DC
202-800-9230

TLI Litigation Services 1717 N St. NW Washington DC 202-800-9230TLI Litigation Services 1717 N St. NW Washington DC 202-800-9230TLI Litigation Services 1717 N St. NW Washington DC 202-800-9230
  • Services
  • Practice Areas
  • Trial Practitioners
  • Civil Tax Fraud Defense
  • Tax Advisory
  • Legacy Scholars
  • More
    • Services
    • Practice Areas
    • Trial Practitioners
    • Civil Tax Fraud Defense
    • Tax Advisory
    • Legacy Scholars

TLI Litigation Services
1717 N St. NW
Washington DC
202-800-9230

TLI Litigation Services 1717 N St. NW Washington DC 202-800-9230TLI Litigation Services 1717 N St. NW Washington DC 202-800-9230TLI Litigation Services 1717 N St. NW Washington DC 202-800-9230
  • Services
  • Practice Areas
  • Trial Practitioners
  • Civil Tax Fraud Defense
  • Tax Advisory
  • Legacy Scholars

Legacy Scholars in American Tax Law

The Tax Law Institute at Washington DC

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Joni Larson, John F. Dean, James H. Chapman, Louis L.B. Carpenter, and Michael Jerome Stuart are prominent figures in American tax law, largely because of their interconnected roles as educators, litigators, and judicial figures associated with specialized institutions like the Tax Law Institute. They are highly regarded for advancing federal tax litigation training, pioneering representation standards in the United States Tax Court, and authoring foundational tax education material. 


 Individual Achievements and Roles


  • Joni Larson (Deceased): She was a highly respected tax litigation attorney for the U.S. Department of the Treasury, a law professor at Cooley Law School, and a former judicial clerk to Tax Court Judge Irene Scott. Larson authored A Practitioner's Guide to Tax Evidence, which became the premier training resource for IRS Chief Counsel attorneys in Tax Court litigation. She also authored texts on Partnership and Corporate Tax matters and Federal Tax Research. She served as a Distinguished Visiting Professor and Eminent Legal Author-in-Residence at the Tax Law Institute.


  • John F. Dean: A tax law expert, he served on the bench for 20 years (1994–2014). Notably, Judge Dean is the first African-American judicial officer appointed to the court and is recognized for overseeing non-attorney practitioner training at the Tax Law Institute, where he served as the Distinguished Judicial Speaker for six years after retiring from the U.S. Tax Court Judiciary. He co-developed the United States Tax Court Apprentice Program at the Tax Law Institute along with Professors Joni Larson and Michael Jerome Stuart. After he left, the program was renamed in his honor, and the Tax Law Institute endowed a chair that was filled by Professor Emeritus Michael Jerome Stuart.


  • James H. Chapman: A tax law expert and Director of Federal Tax Research at the Tax Law Institute. He has served as a primary lecturer alongside Judge Dean and Larson, specializing in corporate and partnership taxation. His contributions shaped the Tax Law Institute's curriculum and educational framework during its formative years. He was named the Joni D. Larson Associated Professor of Federal Tax Research at the Tax Law Institute.


  • Louis L.B. Carpenter: An academic scholar, legal educator, and the "John F. Dean Professor of Federal Tax Litigation" at the Tax Law Institute with a bar license that allows him to litigate complex tax disputes directly before the U.S. Tax Court. He specializes in mergers and acquisitions, complex corporate and partnership litigation, and tax matters.


  • Michael Jerome Stuart: An academic scholar, legal educator, courtroom strategist, and the "John F. Dan Professor of Federal Tax Litigation and U.S. Tax Court Trial Practice" at the Tax Law Institute. Stuart is widely known for designing remote trial practice programs, managing pro bono tax clinics, and training Federally Authorized Tax Practitioners (FATPs) to successfully represent clients against the IRS and the United States Tax Court. For four years, he chaired the Joint Program in Taxation and Litigation at the University of Alabama School of Law Graduate Tax Program. He also served as a position paper writer and interim tax policy adviser to the White House and as a Visiting Scholar appointee in taxation and public policy at Yale Law School. He later advised Harvard University's Center for Middle Eastern Studies in Islamic Finance and Banking (Shari'ah Law).  


 Why They Are Considered Prominent Tax Law Scholars


  1. Tax Court Mastery: They wrote the rulebook on how evidentiary rules apply in civil tax fraud and corporate tax shelter prosecutions.
  2. Empowering Non-Attorneys: They revolutionized U.S. Tax Court practice by providing structured training pathways (such as the John F. Dean Apprenticeship) that allow highly qualified CPAs and Enrolled Agents to earn attorney-equivalent litigation credentials. 
  3. Institutional Leadership: Through joint academic programs and the Tax Law Institute, they shaped the standardized curriculum utilized for continuing legal education (CLE) and IRS trial advocacy across the United States. 

United States Tax Court building exterior with reflective windows.

 The Tax Law Institute at Washington, DC

Litigation Services & Tax Advisory

1717 N Street NW Washington, DC 20036

+1 (202) 800-9230


"Dedicated to advancing public education and the public interest before the IRS and U.S. Tax Court"


Copyright © 2001-2026 Tax Law Institute Inc.- United States Tax Court Practitioners & Tax Attorneys. We provide Legal Education of Federally-Authorized Tax Practitioners, Pro Bono Legal Services and Federal Tax Litigation Services as a public service - All Rights Reserved. The Tax Law Institute is an IRS Approved Provider of Continuing Education (CE), RS7E4, in Federal Tax Law and Tax Bar and Trial Preparation. TLI is approved to prepare federally-authorized tax professionals, who may claim the federally authorized tax practitioner privilege. Under the law, the term 'federally authorized tax practitioner' (FATP)  means an individual authorized under Federal law to practice before the Internal Revenue Service where the practice is subject to Federal regulation under 31 U.S.C. § 330. The Tax Law Institute has entered into an agreement with the Internal Revenue Service, to meet the requirements of 31 C.F.R., § 10.6(g), covering maintenance of attendance records, retention of program outlines, qualifications of instructors, and length of class hours. This agreement does not constitute an endorsement by the IRS as to the quality of the program or its contribution to the professional competence of the enrolled individual.  Send mail to - Registered Agents Inc. for the Tax Law Institute Inc. - 1717 N Street, N.W., Ste. 1, Washington, D.C. 20036. Telephone +1.202.403.0599. 

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Low-Cost Representation in Tax Court & Tax Advisory

If you do receive a notice of deficiency from the IRS for back taxes, it would be prudent to let us petition the U.S. Tax Court on your behalf. Or, if you've already filed then let us represent you and wait for the case to be sent to the IRS Independent Office of Appeals, where we can possibly settle for less money and avoid any litigation. We've had great success with Appeals and have a 'win/no loss' record before the Court. Or, we can reduce your tax with an OIC. We cite amazingly low flat-fees to fit your budget that can be easily paid online, one-time, and you're done.