Constantine Cannon LLP

Constantine Cannon is an international law firm with two renowned practices in antitrust and whistleblower representation, as well as litigation, compliance, intellectual property, and art law. Our attorneys are known for their comprehensive legal knowledge and decades of experience, taking clients from the beginning to the end of their legal battles. We are dedicated to understanding our clients' needs and advising them on the best path forward, sometimes even suggesting an alternative to litigation.Our antitrust and unfair practice litigation experience is unparalleled, and we have won some of the largest antitrust judgments in history. In addition, our whistleblower attorneys have helped secure an impressive $240 million in rewards for our clients. Our services also extend to commercial litigation, intellectual property, and art and cultural property law, as well as government relations and corporate compliance, monitoring, and investigations. We offer e-discovery consulting and have extensive expertise in this area.Established in 1994 in New York City, Constantine Cannon now has over 65 attorneys working in locations around the world, including Washington, D.C., San Francisco, and London. Our global practice has enabled us to represent clients internationally, speaking more than a dozen languages and servicing clients in Europe, the Middle East, Africa, and the Far East. Our commitment to excellence is evident in our clear legal thinking and ability to distill even the most complex stories into clear and compelling language. We are determined to bring exceptional results to our clients.

New York City was our first location in 1994, and remains our largest office, representing domestic and international clients ranging from large multinational corporations, to emerging companies, industry groups, non-profits, individuals, and whistleblowers. Located by Grand Central Station, the office is easily accessible by transit and otherwise. If you would like assistance regarding transportation or parking, or information about nearby amenities, please contact our New York office directly.

Locations	No. of Attorneys
New York City, NY	30
San Francisco, CA	10
Washington, DC	14

Practice Areas	No. of Attorneys
Litigation	45