Mr. Ainsworth is a Director in the Litigation Group. His practice is focused on representing patent owners in enforcement proceedings and in representing pharmaceutical industry clients in patent litigation arising under the Hatch-Waxman Act. He has represented clients in patent cases in federal courts and before the United States International Trade Commission. He also served as counsel in numerous inter partes review proceedings on behalf of clients involved in parallel district court and USPTO proceedings. Among Mr. Ainsworth's clients include industry leaders in the pharmaceutical, medical devices, chemical manufacturing, consumer products, electronics, and e-commerce industries.