Dr. Ellison is a Director in the Biotech/Chemical and Litigation Practice Groups. Over the course of her nineteen-year career, she has gained extensive experience in inter partes patent matters, building on a strong foundation in patent prosecution. Dr. Ellison’s experience includes representing clients in more than a dozen inter partes review proceedings, more than fifteen patent interferences, and in various patent reexaminations and district court litigations. Dr. Ellison's practice also includes evaluating patent portfolios, e.g., for due diligence analyses, invalidity, non-infringement, or freedom-to-operate; preparing and prosecuting patent applications; counseling clients on intellectual property strategy, including Hatch-Waxman issues; and resolving inventorship disputes. Dr. Ellison represents a variety of types of clients, including large multinational corporations, start-up companies, and not-for-profit organizations. Dr. Ellison has been recognized as a leading practitioner in the life sciences.