Clinton South PhD

Clinton R. South, Ph.D.


Clinton South is an associate in the Intellectual Property Department and member of the Chemical and Pharmaceutical practice teams in Ballard Spahr’s Patents Group. Clint’s practice focuses on drafting and prosecuting domestic and foreign patent applications, opinion work, client counseling, intellectual property litigation, and proceedings at the USPTO—including post-grant and  inter partes review proceedings.

Clint has extensive experience with global patent portfolio management, patent procurement, strategy, and due diligence. Clint represents leading specialty chemical, polymer, and materials manufacturers in procurement matters in the United States and worldwide, routinely assisting with patent prosecution in Asia, Europe, North and South America, and the Middle East. In addition to Utility Patent work, Clint often prepares and prosecutes Design Patent Applications.

Professional Highlights

Judicial Clerkships

Hon. Roy S. Payne, U.S. District Court for the Eastern District of Texas, 2016-2018

Hon. Jimmie V. Reyna, U.S. Court of Appeals for the Federal Circuit, 2014-2015

Professional Activities

Atlanta IP Inn of Court, Member

Recognition & Accomplishments

USPTO, Patent Pro Bono Achievement Certificate, 2021, 2022



University of Virginia School of Law (J.D. 2014)
Virginia Law Review, Editorial Board (2012-2014)
Dillard Legal Writing Fellow

Georgia Institute of Technology (Ph.D., chemistry, 2008)
American Chemical Society Division of Organic Chemistry Fellow

University of North Alabama (B.S., summa cum laude, 2004)




Washington, D.C.

U.S. Patent and Trademark Office

U.S. Court of Appeals for the Federal Circuit

U.S. Court of Appeals for the Eleventh Circuit

U.S. District Court for the Northern District of Georgia

U.S. District Courts for the Northern, Middle, and Southern Districts of Alabama 

U.S. District Court for the Eastern District of Texas