Heller Ehrman LLP was an international law firm of more than 730 attorneys in 15 offices in the United States, Europe, and Asia. Heller Ehrman was founded in San Francisco in 1890 and had additional offices located in most of the major financial centers around the world including New York City, Los Angeles, Washington, D.C., London, Beijing, Hong Kong and Singapore.

A law firm is a business entity formed by one or more lawyers to engage in the practice of law. The primary service rendered by a law firm is to advise clients about their legal rights and responsibilities, and to represent clients in civil or criminal cases, business transactions, and other matters in which legal advice and other assistance are sought.