Clifford Chance US is a branch of London-based Clifford Chance LLP, one of the world's leading international law firms. In the US, Clifford Chance has offices in New York and Washington, DC. Specialties of the firm's New York office include banking and financial restructuring, corporate finance and securities, and international litigation and arbitration; giants such as Bank of America, Merrill Lynch, and Prudential Financial have been clients. Lawyers in the firm's Washington office practice in such areas as regulatory law, and securities litigation. Overall, Clifford Chance has about 300 lawyers in the US. The New York office of Clifford Chance can trace its roots to a firm founded in 1871.