Lindsey Champlin, Vice Chair of the firm’s Global Antitrust & Competition Practice, counsels US and international companies on a range of antitrust issues, with a particular focus on securing antitrust clearances for all types of M&A transactions.Drawing on her vast cross-border experience, Ms. Champlin assists leading companies on their most significant antitrust matters. She represents clients doing business in diverse industries, from the energy and automotive sectors to industrial equipment and machinery, advertising, and live entertainment.Ms. Champlin helps clients secure antitrust approvals from competition authorities around the world, including the US Department of Justice (DOJ), the US Federal Trade Commission (FTC), the Canadian Competition Bureau, Mexico’s Comisión Federal de Competencia Económica, and China’s State Administration for Market Regulation.In the US, Ms. Champlin regularly handles merger matters through Second Request substantial compliance as well as merger remedy negotiations with the agencies. She represents third parties in FTC and DOJ merger investigations, including through federal court and FTC Part III litigation. Ms. Champlin brings additional experience arbitrating mergers against the DOJ, as well as in handling other FTC and DOJ antitrust investigations, including conduct and consent decree compliance investigations.Ms. Champlin’s practice extends to a range of other complex antitrust issues, such as competitor collaborations, information sharing, and sales and marketing practices, including price discrimination. She also conducts economic analyses of mergers and other complex antitrust issues.