David Killough is an Assistant General Counsel in the Litigation, Competition and Compliance Group of Microsoft’s Corporate, External, and Legal Affairs department. Killough’s principal responsibility is the management of Microsoft patent litigation matters in the U.S. and internationally.

Before joining Microsoftin 2008, Killough was a partner of the firm Vinson & Elkins L.L.P. in Austin, Texas,where heco-headed the Intellectual Property & Technical Litigation Section, and before that was a partner of the firm O’Melveny & Myers LLP in California. He received his B.A. degree from North Texas State University in 1977 and his J.D. from Southwestern University School of Law in 1983.

While in law firm practice, Killough was listed in the Best Lawyers in America and in Texas Super Lawyers.