Sullivan, Papain, Block, McGrath, and Cannavo

Sullivan, Papain, Block, McGrath, & Cannavo is one of the largest plaintiff firms in the United States, involved in such cases as the 9/11 Litigation and Victim's Compensation Fund, World Trade Center Funding, and the Vioxx cases. The firm was also one of only six firms chosen to represent the State of New York in its litigation against the major tobacco companies.

Established over seventy-five years ago, Sullivan & Papain consists of thirty-eight lawyers in three offices, with its main office located in New York City.

A notable lawyer includes Herman Badillo, former New York Congressman.