Prior to joining the firm, Kerry was founder and owner of Hartman Patents PLLC, a patent law firm, in Woodbridge, Virginia where he prepared and prosecuted patent applications in communications technologies, signal processing and compression, signal analysis and content extraction, and computing hardware and processing architectures; and conducted post-grant proceedings including inter partes reviews. Before establishing his own practice in 2004, Kerry was a senior associate in the Northern Virginia office of an international law firm where he provided patent prosecution and counseling services in the areas of electrical engineering, computer engineering, and wireless communications.

After attending Tulane University Law School, Kerry served as a law clerk to the Honorable Peter Paul Olszewski in the Superior Court of Pennsylvania. While attending graduate school at Pennsylvania State University, Kerry served research assistantships in the departments of EE and computer engineering, developing projects relating to wireless communications, embedded systems, and image processing.

Kerry has presented educational lectures on intellectual property topics to the Northern Virginia engineering community and participated in electronics workshops and demonstrations for K-12 students.