Prior to joining Arent Fox, Nabil was an associate at a Washington-based full-service intellectual property firm. Before that he was a patent examiner with the US Patent and Trademark Office where he conducted prior art searches in the data simulations art and analyzed claims to determine patentability. Nabil also reviewed applications to determine compliance with statutory requirements, proper format, and regulations. Nabil also was an associate as a Virginia-based intellectual property firm. He also served as a judicial law clerk to the Honorable Miguel de la Carrera of the Superior Court of New Jersey.