Thacher Proffitt & Wood LLP was an American law firm headquartered in New York City.

The firm so controlled the market that the standard documentation used by mortgage traders was known as "Thacher docs" and "TP&W forms.

The firm's offices in Mexico City and White Plains, New York, decamped to Chadbourne & Parke and Greenberg Traurig respectively.

[3] On December 21, 2008, approximately 100 lawyers (including 40 partners) left Thacher Proffitt & Wood to work for Sonnenschein, Nath & Rosenthal.

[10] Shortly prior to its dissolution, the firm had been hired to advise the United States Department of the Treasury in connection with the Troubled Asset Relief Program (TARP).