About
Mark A. Amadeo is the principal of Amadeo Law Firm and advises clients in Washington, DC and Bethesda, Maryland on government contracts, business, technology, and employment matters. Mark has served as outside counsel to Fortune 200 companies, medium and small businesses, nonprofit organizations, local government entities, and government contractors. His practice combines litigation and transactional work to help clients pursue opportunities, manage contracting relationships, and avoid disputes.
Mark earned an LL.M. from Georgetown University Law Center, a J.D. from the University of Wisconsin Law School, and a B.A. from Boston College. He is admitted in Maryland and the District of Columbia and practices in state and federal courts in those jurisdictions. His legal education and litigation background support a government contracts practice that addresses regulatory requirements, negotiations, intellectual property, and contractor relationships.
His work includes pursuing and defending claims in federal and state courts, filing bid protests, and negotiating with agencies including the Army, Navy, and Missile Defense Agency. Mark advises on FAR and DFARS compliance, contract review and negotiations, intellectual property agreements, subcontracts, teaming arrangements, joint ventures, mentor-protege agreements, and other instruments governing relationships among government contractors. He also writes and speaks on small business programs and federal technology issues.
Mark A. Amadeo helps government contractors connect legal strategy with practical business goals. Mark’s experience with litigation informs his approach to drafting agreements and advising on compliance, because he understands how unclear terms or regulatory mistakes can later develop into expensive disputes. His practice supports companies seeking federal opportunities, negotiating partner relationships, protecting technical and business interests, and responding effectively when procurement or performance issues arise.
Law Office Affiliations
- Principal, Amadeo Law Firm, PLLC
- Member, Maryland State Bar Association
- Member, District of Columbia Bar
Licensed State
- Maryland
- District of Columbia
Education
- Georgetown University Law Center
Master of Laws (LLM) - University of Wisconsin Law School
Juris Doctor (JD) - Boston College
Bachelor of Arts (BA)
Awards & Badges


- Government Contracts
- State, Local & Municipal
- Litigation
- Contracts & Agreements
- Licensing
- Intellectual Property Litigation





