Martindale-Hubbell AV© Peer Review Rating.  The Joyce Law Firm has attained the highest possible peer Review Rating (AV©) from Martindale Hubbell.  This rating demonstrates our professional excellence and preeminent ethical standards.


Education and

Juris Doctorate (J.D.) University of Tulsa, 2004

Master of Arts ( M.A.) – Clinical Psychology (Emphasis: Marriage and Family Therapy) Pepperdine University, 2000

Bachelor of Arts (B.A.) – Psychology University of Colorado, Boulder, 1998

Psi Chi – National Honor Society in Psychology 1997–1998 University of Colorado, Boulder 1998–2000 Pepperdine University


Catherine J. Graddy

Associate Attorney and Mediator

Practice Areas

Divorce Mediation; Family Mediation; Uncontested Divorce; Freedom of Religion; Constitutional Law; Religious Nonprofit Corporation Law; Contracts; Civil Liability

Bar and Professional Associations

Catherine is a member of the Tulsa County Bar Association, Oklahoma Bar Association, American Bar Association and American Association for Justice.


Catherine has obtained her mediation certification pursuant to the Oklahoma District Court Mediation Act.

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