Constantine Cannon LLP Employee Directory
Law PracticeNew York, United States51-200 Employees
Constantine Cannon LLP is an international law practice with offices in New York, Washington, D.C., and San Francisco. The firm specializes in antitrust law and complex commercial litigation, along with areas such as intellectual property, technology, whistleblower law, government relations, securities litigation, corporate compliance, monitoring and investigations, and electronic discovery consulting. It serves both plaintiffs and defendants, ranging from individual entrepreneurs to Fortune 500 companies, and has secured trial verdicts and settlements that rank among the largest of their kind. In addition to representing corporate clients, the firm counsels foreign governments and companies on U.S. law and handles international investigations, arbitrations, and interactions with the United Nations. Based in the United States, Constantine Cannon is recognized for its combination of advocacy, advisory work, and a commitment to ethics and integrity across courtroom and boardroom contexts. A recent development includes recognition as a leading firm in the Chambers and Partners USA Guide for 2026.
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