Mr. Courtney practiced before the Supreme Court of Texas, the U.S. District Court for the Northern District of Texas, the U.S. Court of Appeals, Fifth Circuit, and the U.S. Supreme Court. He is a past president of the Amarillo Area Bar Association; a sustaining Life Fellow of the Texas Bar Foundation; past vice-chairman of the Bar Admissions Committee, 13’ʰ District, State Bar of Texas; past chairman, Nominating Committee, Texas Bar Foundation, 13ᵗʰ District; and a past member of the Oil, Gas and Mineral Law Council of the State Bar of Texas. He has authored numerous legal papers relating to oil, gas, and mineral law, including course material for the Petroleum Land Title Institute, University of Oklahoma College of Continuing Education, where he was an annual speaker for many years. Mr. Courtney’s honors include The 2005 Amarillo Area Bar Association “Chief Justice Charles L. Reynolds Lifetime Achievement Award;” The 2006 Arnarillo Area Young Lawyers“Outstanding Old’ Lawyer Award”; and, he has been listed in “Best Lawyers in America” from 2007 through the present.