Michael J. Lockman



University of Chicago Law School, J.D., with High Honors, University of Chicago Law Review Comments Editor

University of Chicago, B.A., with Honors


Hon. Jay S. Bybee, U.S. Court of Appeals for the Ninth Circuit


New York

Southern District of New York

Second Circuit

Ninth Circuit

U.S. Supreme Court

Selected Publications

In Defense of a Strict Pleading Standard for False Claims Act Whistleblowers, 82 U. Chi. L. Rev. 1559 (2015)

An Ethical Representation of Sovereign Clients in Debt Disputes, 30 Geo. J. Legal Ethics 73 (2017)

Pari Passu Undone: Game-Changing Decisions for Sovereigns in Distress, 3 Emerging Markets Restructuring J. 46 (2017)

Michael J. Lockman

Michael J. Lockman is a commercial and public interest litigator with a focus on complex cross-border disputes.  He has litigated numerous issues under the Foreign Sovereign Immunities Act, and has represented individual, corporate, and sovereign clients in high-profile disputes and investigations.

Before joining Dontzin Nagy & Fleissig, Michael served as Counsel to McCallion & Associates, where he represented Ovaherero and Nama chiefs of Namibia in asserting claims for violations of international law.  He also worked at Cleary Gottlieb Steen & Hamilton, where he represented foreign sovereigns in high-stakes commercial litigation, and an automotive engineering firm in litigation and regulatory investigations.  Michael is fluent in German.