Don's practice focuses primarily in the area of commercial litigation. This includes, among other matters, disputes involving patent, trademark, and copyright infringement; trade secrets; covenants not to compete; franchise and license agreements; construction; organizational and business matters; and the purchase, sale, and warranty of goods. He has represented parties in some of the most complex and contested trademark and copyright actions filed in the United States District Court for the Eastern District of North Carolina. Don also has represented parties in patent infringement actions filed in North Carolina, Texas, and California, and he has represented parties in cancellation proceedings before the United States Trademark Trial and Appeal Board. He is a speaker for the North Carolina Bar Foundation. He has been rated by his peers as being "preeminent" in his fields of law.