Jeff has counseled clients on global patent procurement and enforcement strategies, represented clients in complex administrative proceedings within the United States Patent and Trademark Office and litigated patents in district court. He has represented both patent owners and challengers in disputes involving a diverse range of technologies, including semiconductors, medical devices, pharmaceuticals, biotechnology and chemical processing. Jeff serves as lead counsel in inter partes review proceedings before the newly created Patent Trial and Appeal Board, and has significant prior experience throughout all stages of ex parte and inter partes reexaminations as well as interference proceedings before that tribunal.

Prior to his admission to the bar, Jeff served as a patent examiner in the United States Patent and Trademark Office, where he worked on patent applications in the semiconductor manufacturing arts. While serving as a patent examiner, he assisted administrative patent judges at the Board of Appeals and Interferences. He also served as a law clerk for the Office of Unfair Import Investigations within the United States International Trade Commission (ITC), where he assisted staff investigative attorneys at the institution, pretrial and trial stages of ITC litigation