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Legal Services

At Constantine Cannon, we are one law firm with two internationally renowned practices – antitrust and representing whistleblowers. We also excel at litigation, compliance, intellectual property, and art law. We’re a different kind of firm. We listen. We analyze. We apply extensive legal knowledge and decades of experience. We fight for our clients from beginning to end. We know that lawyering is more than arguing and that litigation entails more than fighting.

  • Min project size
    Undisclosed
  • Hourly rate
    Undisclosed
  • Employees
    50 - 249
  • Locations
    Washington, DC
  • Year founded
    Founded 1994

3 Locations

  • Washington , DC
  • New York , NY
  • San Francisco , CA

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    Locations (3)

    1001 Pennsylvania Ave, NW, Suite 1300N WashingtonDC, United States 20004

    16 - 20

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