2000 K Street NW, 4th Floor
Washington, DC 20006

+1 202 775 4515

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Ariel N. Lavinbuk is a seasoned trial and appellate litigator, with substantial experience in matters involving breach of contract, bankruptcy and fraudulent-transfer law, the fiduciary duties of officers and directors, intellectual property, and the Racketeer Influenced and Corrupt Organizations Act (RICO).

Over the past 15 years, Ariel has taken dozens of complex cases to resolution in federal and state trial courts nationwide, in bankruptcy courts, and in nearly every federal court of appeals. His U.S. Supreme Court experience includes merits-stage briefing in 10 cases and petition-stage briefing in many more.

Ariel has particular experience handling complex, sensitive cross-border matters. He often litigates international disputes in U.S. courts, frequently works with and coordinates foreign counsel prosecuting actions abroad, and has provided expert testimony on U.S. law in foreign judicial proceedings. He has also represented foreign and U.S. elected officials, their staff, and senior executive branch officials in civil and criminal actions and congressional investigations.

In addition to his litigation portfolio, Ariel regularly represents and advises clients in negotiations involving professional services, trade secrets, and confidential and proprietary information, and counsels clients on intellectual property protection.

Ariel began his career at McKinsey & Co., where he advised technology and media companies as well as the U.S. government and The World Bank on a wide variety of strategic and organizational issues. He also spent time on the management staff of Teach For America.


Updated Aug 2022