Matthew O'Connor is a partner in the Litigation and White Collar Defense & Investigations practice groups and is resident in the firm’s Washington Office. Mr. O'Connor has participated in all aspects of the white collar defense practice, with a particular emphasis representing pharmaceutical companies and executives in internal investigations and broad-ranging federal and state civil and criminal investigations. He also has extensive experience in class action litigation arising from governmental investigations and has litigated the full range of commercial disputes before federal and state courts throughout the country. Mr. O’Connor advises pharmaceutical companies on sales and marketing compliance practices and counsels clients on issues related to electronic discovery. Mr. O'Connor has significant background in complex financial and accounting matters, having previously served as general counsel of a corporate valuation and litigation consulting firm and as a senior consultant at a strategy consultancy. REPRESENTATIVE MATTERS Represent numerous pharmaceutical, biotech, and device companies in criminal and civil investigations related to various sales, marketing, and pricing practices. Represent pharmaceutical company in federal investigation concerning good manufacturing practices and related qui tam litigation. Represent pharmaceutical and device manufacturers in congressional investigations related to support of independent medical education. Represented pharmaceutical company in investigation and civil settlements of federal and state investigations concerning pricing and marketing practices. Represented pharmaceutical company in federal investigation and settlement concerning alleged off-label promotion and violation of federal anti-kickback statute. Represented pharmaceutical company in federal investigation and settlement concerning alleged violation of federal anti-kickback statute. Represented pharmaceutical company in Average Wholesale Price Multi-District Litigation.