Nathan Castellano advises clients on all aspects of doing business with and litigating against the federal government. His experience includes: bid protests, contract disputes, False Claims Act litigation, FOIA, Foreign Military Sales, Buy American & Trade Agreement Acts, suspension and debarment, general contract and grant compliance, audits, teaming agreements, subcontracting, small business issues, cost accounting, data rights and intellectual property, and fiscal law.

Mr. Castellano studied procurement law extensively at the George Washington University Law School, working as a research assistant to Professor Steven Schooner and graduating as a Murray Schooner Procurement Scholar. Prior to joining the firm, he clerked for the Honorable Jimmie V. Reyna at the United States Court of Appeals for the Federal Circuit and worked as a legal consultant in the World Bank Office of Suspension and Debarment (OSD). He has published more than fifteen articles addressing various topics in procurement law.

Perspectives

Fed. Circ. Implies Narrowing Of Claims Court Jurisdiction
Appellate Law360, Government Contracts Law360, Real Estate Law360, White Collar Law360
Fed. Circ. To Decide Future Of Commercial Item Contracting
Aerospace & Defense Law360, Appellate Law360, Government Contracts Law360
Highlights from First Volume of the 809 Panel's Final Report
Advisory
Highlights From DOD Acquisition Panel's 1st Report
Aerospace & Defense Law360, Government Contracts Law360, Public Policy Law360
Government Contracts
The 33rd Annual Federal Circuit Symposium, American University Law Review, Washington, DC
More

Credentials

Education
  • JD, George Washington University Law School, 2015, highest honors, Order of the Coif
  • BA, Roanoke College, 2012, magna cum laude
Admissions
  • District of Columbia
  • US Court of Federal Claims
  • US Court of Appeals for the Federal Circuit
Clerkships
  • United States Court of Appeals, Federal Circuit, The Honorable Jimmie V. Reyna
Activities
  • Vice Chair, American Bar Association, Section of Public Contract Law, Bid Protest Committee
  • Adjunct Professor, The George Washington University Law School
Overview

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