Carrie Mahan

Practice Areas

Carrie Mahan is one of the country’s foremost and accomplished leaders in antitrust and competition law. Noted for her ability to consistently excel in high-stakes engagements, Carrie is well regarded in the market and is frequently recognized for her work and achievements. Most recently, Carrie was included in Global Competition Review’s highly selective “Women in Antitrust 2025” list, after having previously been recognized in 2021 as well. She has also been named to Forbes’ annual “America’s Top 200 Lawyers” list every year since its inception. In statements made to Chambers USA, clients have touted Carrie as being “phenomenal in the courtroom,” noting that “she is very persuasive with judges and she has a terrific presence,” while also praising her as “a seasoned antitrust adviser” who is “creative, focused and great to work with.”

A litigator, corporate counselor, and risk adviser, Carrie has a diverse practice advising global companies on antitrust and consumer protection issues in both the government investigations and private litigation contexts, as well as in connection with mergers, acquisitions, and joint ventures. Her ability to develop unique arguments under complex antitrust theories has led her to play a leading role in the defense and overall strategy for many key clients, including large joint defense groups.

She has extensive experience representing clients in all major antitrust venues, including both state and federal courts and before federal, state, and international competition and consumer protection enforcement agencies, including the U.S. Federal Trade Commission, the Antitrust Division of the U.S. Department of Justice, and state attorneys general. With a particular focus on nationwide antitrust class actions, she has led joint defense groups and the overall strategy on seminal cases across multiple sectors, including consumer products, hospitality, and private equity.

Carrie also partners with clients to guide their strategic business decisions, manage risks arising from pricing decisions, technology, customer and vendor relationships, overall marketplace direction, and improve and oversee compliance programs. Her clients value her pragmatic advice and creative thinking informed by decades of experience navigating them through bet-the-business and other crisis situations.