Katelyn A. Horne
About Katelyn A. Horne
Katelyn A. Horne is a lawyer based in Washington, DC and has been recognized in Best Lawyers: Ones to Watch® in America since 2023. Katelyn A. Horne is recognized in the following practice areas:
- Washington, District of Columbia
- Commercial Litigation
- Litigation - Construction
Current Firm: Arnold & Porter
Education: Columbia University, J.D., graduated 2015
Location: Washington, DC
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I am one of the three founding partners of Cooper Ginsberg Gray, PLLC, and helped launch the firm in November of 2004. Our founding principles are focused on providing compassionate and competent legal representation, advancing the legal profession, and giving back to the Northern Virginia community. Throughout my 25+-year career, my practice has been devoted to helping my clients navigate through family law matters. I have been privileged to represent mothers, fathers, husbands, wives, as we...
Jamie's representations have involved the taxation of financial instruments, the timing of income and deductions, corporate reorganizations, deductions for worthless investments, the substance-over-form and economic substance doctrines, civil tax penalties, and other areas of tax law. From 2006 to 2013, Jamie was a trial attorney with the Tax Division of the U.S. Department of Justice, where he was lead counsel for the government in over 100 civil tax cases, and he received two Outstanding At...
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