"Marcia is exceptionally client-focused and offers valuable advice and counsel for the most complicated matters."
Chambers 2023


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.

Lenguajes Hablados

  • 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 (since 2020); was previously a Leading Lawyer (2015-2019)
  • Chambers USA– Government Contracts, currently Band 1; has been ranked for 17 consecutive years (2005-current)
  • 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
  • Named to list of top lawyers in Washington DC by Washingtonian (2009-2020)
  • Who’s Who Legal (WWL) – Recommended: Government – Government Contracts (2022)
  • Law360 MVP in Government Contracts (2014)
  • AV Preeminent Attorney Rating (the highest available peer-led ranking) for both legal ability and ethical standards by Martindale-Hubbell®
  • Named as one of “Women Who Mean Business” by the Washington Business Journal (2012)
  • Named one of “Washington’s Most Influential Women Lawyers” by The National Law Journal (2010)
  • Government Contracts Lawyer of the Year – Washington Business Journal (2007)
  • 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)