Dr. Thomas is admitted to practice in the State of New York, the District of Columbia, and the Commonwealth of Virginia. Other states where he has been admitted pro hac vice are noted at the end of this section.

Courts where Dr. Thomas is admitted and has represented clients include:

• U.S. Supreme Court
• United States Court of International Trade (located in New York, N.Y.)
• United States Court of Appeals for the D.C. Circuit (located in Washington, D.C.)
• United States Court of Appeals for the Second Circuit (located in New York, N.Y.)
• United States Court of Appeals for the Third Circuit (located in Philadelphia, Pa.)
• United States Court of Appeals for the Fourth Circuit (located in Richmond, Va.)
• United States Court of Appeals for the Sixth Circuit (located in Cincinnati, Oh.)
• United States District Court for the Southern District of New York (located in New York, N.Y.)
• United States District Court for the District of Columbia (located in Washington, D.C.)
• United States District Court for the District of Maryland (located in Baltimore, Md.)
• United States District Court for the Eastern District of Virginia (located in Alexandria, Virginia.)

He has been admitted pro hac vice to represent clients in cases in other jurisdictions, among them:

California, Delaware, Florida, Kentucky, Louisiana, Maryland, New Jersey, Pennsylvania, Texas, and the Virgin Islands.