"We are a family of lawyers, related by blood and by law, and we want to help you solve legal issues in your business and personal life."

Our Mission

Joyce & Graddy, PLLC is a full service, American Indian Owned Law Firm located in downtown Tulsa, Oklahoma offering more than 80 combined years of diverse legal experience to individuals, businesses, Tribes, and organizations in litigation, transactional matters, and in operational settings.  Our mission is to provide trusted and creative solutions to issues in our client’s business and personal lives.

Our Attorneys

Attorney with the Firm

Tulsa, Oklahoma

Catherine J. Graddy, born Tulsa, Oklahoma, November 25, 1975.  Catherine was admitted to the Oklahoma Bar Association as a licensed attorney in 2005.  She is a graduate of the University of Colorado, B.A. 1998, Pepperdine University, M.A. Clinical Psychology, emphasis in Marriage and Family Therapy, 2000, and the University of Tulsa, J.D.

Attorney with the Firm

Mark K. Graddy, born Columbus, Georgia, December 26, 1976.  Mark was admitted to the Oklahoma Bar Association as a licensed attorney in 2004.  He was admitted to practice law in the State of Texas in 2005 and also is admitted to the U.S. District Court for the Northern District of Oklahoma, the U.S. District Court for the Eastern District of Oklahoma, the U.S. Bankruptcy Court for the Northern District of Oklahoma, the U.S. Bankruptcy Court for the Eastern District of Oklahoma, and the U.S.

Attorney with the Firm

Kevin B. Joyce, born Tulsa, Oklahoma, September 7, 1977.  Kevin was admitted to the Oklahoma Bar Association as a licensed attorney in 2004.  He was admitted to practice law in the State of Texas in 2005 and he is a member of the U.S. District Court for the Northern District of Oklahoma.  Kevin is a graduate of the University of Colorado, B.A. 2001, and the University of Tulsa, J.D.

Attorney with the Firm

Tulsa, Oklahoma

John C. Joyce, born Tulsa, Oklahoma, September 14, 1966.  John was admitted to the Oklahoma Bar Association as a licensed attorney in 1993.  He is also admitted to practice law in the United States Supreme Court, the U.S. District Court for the Northern District of Oklahoma, the U.S. District Court for the Western District of Oklahoma, the U.S. Court of Appeals, Tenth Circuit, the U.S. Court of Appeals, Federal Circuit, and the State Bar of Texas.  John is a graduate of Trinity University, B.A.

Attorney with the Firm

Tulsa, Oklahoma

Christopher B. Hauger was admitted to the Oklahoma Bar Association as a licensed attorney in 2021. He is a graduate of the University of Oklahoma, B.S., Chemical Biosciences, 2018, and Oklahoma City School of Law, J.D., 2021.  He is also licensed to practice before the Northern District of Oklahoma. He has formal training in the technical fields of chemistry, physics, and biology. He also has experience in the field of healthcare regulatory compliance and intellectual property.