Mitchell A Lowenthal is a senior counsel and retired partner of Cleary Gottlieb Steen & Hamilton LLP, resident in the firm’s New York office.

He has specialised in the prosecution and defence of civil litigations, with an emphasis on disputes arising out of securities and M&A transactions.

Mr Lowenthal has been repeatedly recognised by Chambers USA (2004–2015) as a leading securities litigator, and in numerous guides including The Legal 500 US (2007–2015) and Benchmark Litigation: The Definitive Guide to America’s Leading Litigation Firms and Attorneys (2010–2015).

Mr Lowenthal is a frequent lecturer, primarily on developments in securities litigation and complex civil procedure, and regularly publishes articles on these subjects, including in The Cornell Law Review, The Fordham Law Review, The George Washington Law Review, The University of Pennsylvania Journal of Business Law, and The Harvard Law School Forum on Corporate Governance and Financial Regulation. He is also the author of treatise chapters on New York Jurisdiction (West 2013) and Securities Class Actions (LexisNexis 2014).

Mr Lowenthal joined the firm in 1981, became a partner in 1990 and retired at the end of 2015. He received a JD from Cornell Law School.

Mr Lowenthal is a member of the Bar in New York.