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Steven Mopsick

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  • Georgetown University Law Center, Washington, District of Columbia
    • LL.M.
  • Boston College Law School, Boston, Massachusetts
    • J.D.
  • Rutgers College, New Brunswick, New Jersey
    • A.B.
    • Honors: magna cum laude
    • Honors: Phi Beta Kappa
    • Major: Political Science

Bar Admission

  • Massachusetts, 1970
  • District of Columbia, 1972
  • U.S. District Court of the District of Columbia, 1972
  • U.S. Tax Court, 1975

Published Works

  • IRS Abuse of Anti-Tax-Shelter Rules, Tax Notes Today, 152-86, 2006
  • The IRS Unfairly Attacks the Tool Industry, Tax Notes Today, 84-47, 2005

Representative Cases

  • Charles Derby vs. Commissioner, T.C. Memo 2008-45, 2008, US Tax Court
  • Phillips vs. Commissioner, 114 TC No. 7, 2000, US Tax Court


  • Misc. Outstanding Performance Awards

Classes & Seminars

  • Adjunct Professor of Law, University of the Pacific's McGeorge School of Law, 1999 to 2002
  • Multiple Lectures and Seminars, CA State Bar, Taxation Section, 1984 to 2008

Pro-Bono Activities

  • Advisor and Member, Executive Committee, Taxation Section, CA State Bar, 1984 - Present

Representative Clients

  • Wide Range of Corporations
  • Governmental Entities
  • High Wealth Individuals, White Collar Defendants
  • Widely Held Limited Partnerships

Past Positions

  • Internal Revenue Service, Tax Law Specialist, Trial Attorney, 1970 to 1979
  • Internal Revenue Service, Assist. to Dep. CC Dist.Counsel, Sacto, 1981 to 2002


  • Spanish

Professional Associations

  • California State Bar Association, Taxation Section, Advisor, Executive Committee, 1986 to 1994
  • California State Bar, Taxation Section, Member and Vice Chair, Executive Committee, 2004 to 2008

Steven J. Mopsick is a federal tax attorney and is not admitted in California. He is licensed in the District of Columbia. His practice is limited to matters before the Internal Revenue Service, the U.S. Treasury Department and the Unites States Tax Court. He does not advise or represent clients regarding California state tax matters.