About
J. Cal Mayo, Jr. is a co-founder of Mayo Mallette in Oxford, Mississippi. He focuses on civil trial and appellate litigation, higher education matters, mediation and arbitration, and special master appointments. Mr. Mayo has spent more than 30 years in the courtroom representing clients in commercial disputes, complex tort cases, product liability claims, employment matters, and intellectual property litigation. His practice is centered on trial advocacy, efficient service, and practical case strategy.
Mr. Mayo earned his J.D. from the University of Virginia School of Law and a Bachelor of Accountancy from the University of Mississippi. His legal and accounting education provides a strong foundation for evaluating business disputes, financial issues, and complex litigation records. This background supports his ability to analyze facts carefully, prepare cases for trial, and advise clients on litigation risks with practical judgment.
Mr. Mayo founded Mayo Mallette with Pope Mallette in 2000 to create a firm focused on effectively serving client needs. His experience includes trying cases before juries and judges and handling a broad litigation practice across Mississippi and federal courts. He is admitted to the Mississippi Bar, the Northern and Southern Districts of Mississippi, the Fifth Circuit, the Federal Circuit, and the United States Supreme Court.
J. Cal Mayo, Jr. is a Fellow of the American College of Trial Lawyers and has served as a Regent of the organization. He is also a Fellow of the American Bar Foundation and Mississippi Bar Foundation, where he has served as president. Mr. Mayo has been recognized by Best Lawyers in America since 2001 and is valued for courtroom experience, judgment, and steady guidance in complex disputes.
Law Office Affiliations
- Founder, Mayo Mallette
- Member, The Mississippi Bar
- Fellow, American Bar Foundation
- Fellow, Mississippi Bar Foundation
- Member, American Bar Association
- Member, Federal Bar Association
- Fellow, American College of Trial Lawyers
- Board Member, University of Mississippi Foundation
Licensed State
- Mississippi
Education
- University of Virginia School of Law
Juris Doctor (JD) - University of Mississippi
Bachelor of Accountancy
Awards & Badges






- Appeals
- Arbitration
- Litigation
- Mediation & Collaborative Law
- Products Liability




