Clayton E. Devin

Clayton Devin is a trial lawyer with experience in business and personal injury disputes.  He has appeared in state and federal courts in over 100 counties in Texas and Oklahoma, representing Fortune 500 Companies as well as individuals and closely held businesses.  During the course of his career, he has tried cases involving business disputes, construction defects, construction and oilfield accidents, product liability, medical malpractice, toxic tort, and commercial transportation.  He has participated as an advocate in hundreds of mediations and arbitration proceedings and brings that wealth of experience in his role as mediator.

Download Clayton’s CV


+ Business Disputes
+ Construction
+ Health Law
+ Personal Injury
+ Toxic Tort
+ Transportation

+ McCulloch, Ray, Trotti & Hemphill, 1974 – 1978
+ Ray, Anderson, Shields, Trotti & Hemphill, 1978 – 1982
+ Cowles & Thompson, 1982 – 1987
+ Macdonald Devin, Shareholder, 1987 – 2018
+ Macdonald Devin, of Counsel, 2018 – Present

Brenda Gutierrez is responsible for scheduling mediations for Clayton. Contact Brenda at 214.303.4505 or email her at