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Tom Cummins, Potomac Litigation's Founder
Tom Cummins

Tom represents and advises clients facing a variety of legal challenges. His practice focuses on contract disputes, fraud claims, and business torts.


Before founding Potomac Litigation, Tom was a senior associate at a leading international firm. There, he focused on high-stakes commercial disputes, class actions, derivative actions, and cybersecurity litigation.

Before entering private practice, Tom clerked for Judge Michael Devine of the Fairfax Circuit Court and Judge Thomas Ludington of the U.S. District Court for the Eastern District of Michigan.

In law school, Tom was an articles editor for the George Mason Law Review. Before law school, Tom was a master captain in the merchant marines.


George Mason, JD, 2010, magna cum laude

National Louis, BA, 2007, magna cum laude



District of Columbia

Mary Nilges

Operations & IT Manager

Mary Nilges, Potomac Litigation IT and operations support

Mary Nilges helps the firm deliver world-class legal services personalized to each client. She manages the firm's IT, advances the firm's digital presence, and oversees a variety of other projects.



Mary has extensive experience with small business development and management. She graduated from Northern Illinois University with a bachelor's degree in political science and has completed advanced studies at Tulane University in neuroscience.

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