Eric D. Carstens - McDermott Will & Emery


Eric D. Carstens focuses his practice on state and local tax matters, assisting clients with state tax controversy, compliance and multistate planning across all states for a variety of tax types and unclaimed property. Eric engages in all forms of taxpayer advocacy, including litigation, legislative monitoring and audit defense. He works closely with several of the Firm’s taxpayer coalitions focused on specific state tax policy issues such as the taxation of digital goods and services and unclaimed property.

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  • Chambers USA, 2021 and 2022, Associate to Watch; Tax
  • The Best Lawyers: Ones to Watch in America, Tax Law, Washington DC, 2024
  • District of Columbia Courts, Capital Pro Bono Honor Roll, 2023


Georgetown University Law Center, LLM, Taxation, 2017
George Washington University Law School, JD, 2014
Elon University, BA, 2011

District of Columbia