Partner

Mark T. Doerr

212.885.8817 mdoerr@bartonesq.com
Partner

Mark T. Doerr

212.885.8817 mdoerr@bartonesq.com
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Mark T. Doerr is a litigation partner of the firm. His practice concentrates on investigating, litigating, and advising clients in significant disputes involving fraud and deceptive practices. Mark represents plaintiffs and defendants in the energy, financial, insurance, banking, biotech, real estate, and healthcare sectors, among others. He has represented large corporations, start-ups, established businesses, and individuals in an array of matters. Mark’s work typically concerns fraud, breach of contract, theft of trade secrets, breach of fiduciary duty, and RICO claims, among others.

Mark also helps clients navigate interactions with regulators and law enforcement in civil and criminal matters. He has managed and conducted investigations in response to government and regulatory inquiries concerning securities fraud, accounting fraud, common law fraud, LIBOR manipulation, healthcare fraud, the False Claims Act, and the Foreign Corrupt Practices Act.

Mark’s practice regularly concerns transnational disputes in foreign jurisdictions involving multi-million-dollar and often multi-billion-dollar claims and judgments. Mark has represented large and small companies in foreign and domestic investigations, arbitrations, and litigations spanning multiple jurisdictions simultaneously. Mark also is deeply experienced in bringing and defending Section 1782 actions for discovery in connection with disputes in non-U.S. jurisdictions.

Mark earned his B.A. from the University of Illinois and his J.D. from Columbia Law School, where he was Articles Editor of the Columbia Human Rights Law Review and Harlan Fiske Stone Scholar.

Before joining Barton LLP, Mark was with Katten Muchin and Schiff Hardin in Chicago, and Gibson Dunn in New York.

Mark served as law clerk to the Honorable Pamela K. Chen of the United States District Court for the Eastern District of New York.

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