David S. Harper is a partner with McDonnell Boehnen Hulbert & Berghoff LLP. His practice comprises all phases of U.S. and foreign patent and trademark prosecution, litigation, client counseling, agreement work, due diligence analysis, and opinion work. He has particular technical expertise in the areas of pharmaceuticals, biologicals, diagnostics, biochemistry, cell biology, immunology, molecular biology, and medical devices. He has handled IP portfolios for diverse clients developing a wide array of technologies, with a particular focus on start-up companies, early stage companies, and universities. He has particular expertise in advising corporate clients on navigating federal reporting requirements necessitated by development of technology using federal funding.