Marcia Madsen is Chair of the Government Contracts practice and Co-Chair of the National Security practice. She is also a member of the Cybersecurity & Data Privacy Practice. She represents contractors in regulatory, policy, transactional, litigation, and investigative matters involving virtually every federal department and agency. Her clients include defense contractors, information technology and systems integrators, telecommunications companies, engineering firms, insurers, and manufacturing companies. Marcia's practice includes defense of False Claims Act matters, internal investigations, audits, bid protests, claims and disputes before administrative forums, and in the federal courts (with emphasis on the US Court of Federal Claims and the US Court of Appeals for the Federal Circuit), as well as ADR and mediation proceedings. Areas of concentration include: aerospace and defense, systems integration, information systems and telecommunications, healthcare and bio-technology, homeland security, environmental remediation, and research and development.

Spoken Languages

  • English
Staying Ahead of the Curve: Cybersecurity and Data Privacy–Hot Topics for Global Businesses
The False Claims Act and Government Contracts


Georgetown University Law Center, LLM

American University Washington College of Law, JD

University of Utah, BA


  • District of Columbia


  • US Court of Appeals for the Federal Circuit
  • US Court of Appeals for the Fourth Circuit
  • US Court of Appeals for the Sixth Circuit
  • US Court of Federal Claims
  • US District Court for the District of Columbia


  • Law 360 Government Contracts Editorial Advisory Board
  • Bloomberg BNA Federal Contracts Report Editorial Advisory Board
  • Member, George Washington University Law School Government Contracts Advisory Board
  • American Bar Association: Past Chair Section of Public Contract Law; Past Chair Bid Protest Committee; Co-Chair Procurement Fraud Committee; Past Chair of numerous Public Contract Law Section special task forces and special projects, including OCI Task Force
  • Practising Law Institute: Co-Chair Annual Government Contracts Program
  • Member, US Court of Federal Claims Advisory Council
  • Past Co-Chair of the Federal Circuit Bar Association Committee on Government Contracts
  • Chair, Acquisition Advisory Panel (2005-2007) (appointed by the Executive Office of the President)
  • Past President Board of Contract Appeals Bar Association
  • Legal 500 US – Hall of Fame for Government: Government Contracts, 2020
  • Ranked by Chambers USA – Government Contracts for 17 consecutive years (2005-2022); currently Band 1
  • Named to Washingtonian’s inaugural “Lawyer Lifetime Achievement” list (2022) based on being named a “Top Lawyer” at least 10 of the previous 15 years
  • Who’s Who Legal (WWL) – Recommended: Government – Government Contracts (2022)
  • Named to list of top lawyers in Washington, DC – The Washingtonian Magazine, 2009-2020
  • Law 360 MVP in Government Contracts 2014 – December 23, 2014
  • Named as one of the 2012 class of “Women Who Mean Business” by the Washington Business Journal, November 2011
  • Named one of “Washington’s Most Influential Women Lawyers” by The National Law Journal, 2010
  • Government Contracts Lawyer of the Year – Washington Business Journal, September 2007
  • Power Player – Federal Computer Week, November 2006
  • Legal Times – Leading Lawyers in Government Contracts, 2004
  • US Court of Federal Claims Advisory Council - recipient of US Court of Federal Claims “Golden Eagle” Award for Distinguished Service by a Member of the Bar, 2001