Geoff Oliver's practice focuses on antitrust matters, with emphasis on government merger and conduct investigations and litigation and counseling regarding matters involving antitrust and patent law. He counsels high-tech and manufacturing companies in the computer, semiconductor, consumer electronics, pharmaceutical, health care, and medical devices industries. Geoff co-coordinates the Firm's practice involving application of antitrust law to issues involving intellectual property.

From 1998 to 2007, Geoff held various positions in the Federal Trade Commission's Bureau of Competition, including Assistant Director responsible for the Anticompetitive Practices Division. At the FTC, he supervised numerous nonpublic investigations and litigated cases in both the FTC's Part III administrative proceedings and federal court. He was lead counsel on In re Rambus Inc. and played substantial roles on litigation teams for In re Hoechst Marion Roussel, Inc. et al., In re Intel Corp., and FTC v. Tenet Healthcare Corp. At the FTC, he also participated in various policy initiatives involving standard-setting, intellectual property, and other issues. Previously, Geoff spent 10 years in private practice in Washington, D.C. and Brussels, Belgium.

Geoff serves as the Chair of the Antitrust Committee of the American Intellectual Property Law Association. He has written on antitrust enforcement topics and has spoken on antitrust and intellectual property issues in the United States and abroad. He was the lead editor of the ABA Antitrust Section's treatise, Antitrust Issues in International Intellectual Property Licensing Transactions, and formerly served on the board of editors of the ABA's Antitrust magazine.