Cliff Thau is a partner in Tannenbaum Helpern’s Litigation and Dispute Resolution practice. A well-known litigator across the United States, Thau is recognized by peers and colleagues as a lawyer who “approaches problems with a practical mindset” and “a strategic thinker who can see around the corner and the consequences down the line.”
Thau focuses his practice on securities litigation and regulatory and internal investigations. His clients include issuers, underwriters, officers and directors; securities and private equity firms; and Audit and Special Committees, as well as a wide range of public and private companies and individuals.
Lawdragon Honors
| Honor | Year | Practice |
|---|---|---|
| The 2027 Lawdragon 500 Leading Litigators in America | 2027 | Securities Litigation, Investigations |
| The 2026 Lawdragon 500 Leading Litigators in America | 2026 | Securities Litigation, Investigations |
| The 2025 Lawdragon 500 Leading Litigators in America | 2025 | Securities Litigation, Investigations |
| The 2024 Lawdragon 500 Leading Litigators in America | 2024 | Securities Litigation, Investigations |
| Lawdragon 500 Leading Litigators in America | 2022 | Securities Litigation, Investigations |
Thau also represents corporations, private equity firms and individuals in commercial litigation in the financial services, media, real estate, energy and other industries.
Prior to joining Tannenbaum Helpern, Thau served as Managing Partner of Vinson & Elkins’ New York Office and was a member of the Firm’s Management Committee. He is a frequent speaker and author on topics related to securities litigation and regulatory enforcement, litigation and dispute resolution, corporate governance, and internal and government investigations.