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Abbey Garber focuses his practice on tax litigation and providing advice in connection with applying tax laws to individuals, estates, corporations, and partnerships. Serving more than 30 years in the Office of Chief Counsel at the Internal Revenue Service, he tried cases of all sizes in Tax Court, earning significant favorable opinions in fraud, tax shelter, and many other cases; received a full Tax Court opinion in an attorneys’ fees case; and prosecuted criminal tax cases in United States District Court as a Special Assistant United States Attorney. Abbey served as the Southwest Area Team Leader in Chief Counsel, charged with ensuring collaboration and cooperation across operating divisions in a nine-state area.

Prior Employment

  • Office of Chief Counsel, Internal Revenue Service, 1987-2018
  • Adjunct Professor, SMU Dedman School of Law, 2013

Honors & Affiliations


  • The Best Lawyers in America® by Woodward/White Inc. (Tax Law), 2020-2021
  • Best Lawyers in Dallas (Tax: Litigation), D Magazine, 2019
  • Recommended Attorney, The Legal 500 US by Legalease (Tax: U.S. Taxes: Contentious), 2019, 2021
  • National Outstanding Instructor Award, IRS Office of Chief Counsel, 2008
  • Manager of the Year, IRS Office of Chief Counsel (Small Business/Self Employed), 2007
  • Public Service Excellence Award, Dallas-Fort Worth Federal Executive Board, 2003


  • Fellow, American College of Tax Counsel, 2019
  • Member, Dallas Bar Association; Tax Section; Mock Trial Committee, 2019
  • Member, American Bar Association; Tax Section; Administrative Practice Committee, 2018-2019
  • Member, State Bar of Texas; Tax Section; IRS Representative, 2004-2018; Law School Outreach, 2008-2019
  • State Bar of Texas Advanced Tax Law Course; Course Director, 2008; Planning Committee, 2007-2018

Education & Admissions


  • J.D., 1985, The University of Texas School of Law
  • B.B.A., 1982, The University of Texas at Austin


  • Texas
  • U.S. Dist. Ct., N. Dist. Texas
  • U.S. Tax Ct.