Antoinette Ellison focuses her practice on the resolution of federal and state tax-controversies on behalf of individual and corporate taxpayers and litigation. Her experience includes trial preparation and trials in proceedings before the U.S. Tax Court, and U.S. district courts. Ms. Ellison has served as lead counsel in complex business litigation and insurance coverage matters. She also has extensive experience dealing with government agencies including U.S. Customs & Border Protection. This experience includes dealing with inquiries regarding the importing of products into the U.S.

Ms. Ellison is committed to pro bono work. As a result of this continuing commitment, she earned the firm's Pro Bono Associate of the Year Award in 2011.

Prior to joining the firm, Ms. Ellison practiced for seven years in the New York office of a premier international law firm. She successfully represented public corporations, financial institutions, and accounting firms in securities cases and regulatory investigations. She served as counsel in mediations, took and defended depositions, drafted and argued motions, and assisted clients in responding to inquiries from the DOJ and SEC.

While in law school, Ms. Ellison was awarded the Archie O. Dawson Prize for proficiency in oral advocacy and afforded the opportunity to work as an extern at the Supreme Court of the United States. She also completed an externship with the Honorable Gerard E. Lynch during his service on the U.S. District Court for the Southern District of New York. Ms. Ellison was an Editor for the National Black Law Journal and was the National Champion of the 2000 Frederick Douglass Moot Court Competition.


  • Columbia Law School, J.D. (2002)
    Harlan Fiske Stone Scholar
  • Claremont McKenna College, B.A., History and Government (1999)
    magna cum laude, Phi Beta Kappa

Bar Admissions

  • Georgia (2010)
  • New York (2003)


  • U.S. Tax Court
  • U.S. District Court for the Southern District of New York
  • U.S. District Court for the Eastern District of New York
  • U.S. Court of Appeals for the Tenth Circuit

Who We Are

Suite 2800, 1100 Peachtree Street NE
Atlanta, GA, 30309-4528
t +1 404.815.6019
f +1 404.541.3220

Antoinette L. Ellison

Experience Highlights

Litigation for home automation technology distributor
Defended a major distributor of high-end home automation technology against manufacturer’s claims for misappropriation of trade secrets, breach of more
Co-lead insurance coverage counsel for Citrus & Allied Essences Ltd.
Served as co-lead insurance coverage counsel for Citrus & Allied Essences, Ltd., a producer and manufacturer of oils, oleoresins, aromatic more
Lead counsel for A.P. Diagnostic Imaging Inc.
Served as lead counsel for A.P. Diagnostic Imaging, Inc., a major provider of diagnostic health care x-ray, ultrasound, and MRI imaging, against more
Represented hedge fund in U.S. Tax Court litigation
Represented hedge fund in U.S. Tax Court litigation. The IRS challenged the economic substance of investments and allocation of partnership income more