Robert C. Louthian, III - McDermott Will & Emery


Robert C. Louthian, III, represents exempt organizations on a wide range of tax and related issues, including determinations of exempt status, securing private letter rulings on proposed transactions, and preparing and representing clients who are under audit by the Internal Revenue Service. He works primarily with hospitals and other institutional providers, private foundations, scientific research organizations, universities, trade associations and corporate foundations. Robert has extensive experience in the formation of provider networks, integrate delivery systems, conversions of tax-exempt organizations and joint ventures with tax-exempt participants.

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  • Successfully converted several large nonprofits from tax-exempt to for-profit status
  • Restructured corporate philanthropy programs to include complex grant making activities
  • Advises numerous tax-exempt organizations on participation in complex joint ventures and similar arrangements


  • The Legal 500 2012, 2019
  • The Best Lawyers in America, Healthcare Law, Washington, DC, 2020 to 2024
  • District of Columbia Courts, Capital Pro Bono Honor Roll, 2023


College of William and Mary School of Law, JD, 1987
Wake Forest University, BA, 1984

District of Columbia

Courts / Agencies
US Tax Court
US Court of Appeals for the Federal Circuit
District of Columbia Court of Appeals