Leslie A. Harrelson


Harrelson, Leslie A.

Leslie A. Harrelson’s diverse practice focuses on issues affecting institutions and companies in the education, defense and technology sectors. She counsels clients on regulatory compliance, government contract and legislative-related matters.

Ms. Harrelson advises for-profit and non-profit government contractors and grant recipients on contract and grant administration issues; subcontracting issues; claims, disputes and terminations; and contract compliance issues including, among others, foreign source restrictions, small business eligibility and preferences, and allocation of government rights in and US manufacturing preferences regarding patents, software and technological data. 

For exporters, Ms. Harrelson provides guidance to clients regarding the export and import of dual use and military products under the Export Administration Regulations and the International Traffic in Arms Regulations. 

Ms. Harrelson also advises institutions of higher education and educational companies on a variety of issues arising under the Elementary and Secondary Education Act, Higher Education Act and related regulations. In particular, Ms. Harrelson counsels clients on student and children’s privacy issues. 

Ms. Harrelson regularly performs due diligence in connection with large and small government contractors in the defense and education industries, where she has represented both divesting companies and acquiring companies. In transactions involving acquisitions by non-US companies, Ms. Harrelson advises on national security considerations and interactions with the Committee on Foreign Investment in the United States.  

Publications & News


June 22, 2016

WilmerHale Reps AS&E in $269M Acquisition by OSI Systems

American Science and Engineering, Inc., a leading worldwide supplier of innovative X-ray inspection solutions, announced that it has entered into a definitive agreement to be acquired by OSI Systems, Inc. for a total transaction value of approximately $269 million.

January 13, 2015

Citrix Acquires Sanbolic

Citrix announced that it completed its acquisition of Sanbolic, an innovator and leader in workload-oriented storage virtualization technologies. Sanbolic technology enables customers to software-define storage to optimize the delivery of application-specific workloads.

January 1, 2008

Retail Industry Leaders Ass'n v. Fielder: ERISA Preemption Trumps the "Play or Pay" Law

Speaking Engagements

Professional Activities

Ms. Harrelson is a member of the District of Columbia Women’s Bar Association and a practitioner board member of the ABA's Public Contract Law Journal.


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JD, summa cum laude, University of Maryland School of Law, 2009, Order of the Coif; Editor-in-Chief, Maryland Law Review

BA, Philosophy, magna cum laude, University of Missouri, 2004

Bar Admissions

New York

District of Columbia


The Hon. Benson Legg, US District Court for the District of Maryland, 2009 - 2010

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