Ted Mathias serves as lead counsel in complex patent litigation, often managing cases involving more than 15 patents. He frequently handles matters at the intersection of patent and antitrust law, with a strong focus on advising clients in the pharmaceutical industry.

Jacklin (Jackie) Chou Lem is a Partner and accomplished antitrust lawyer based in our San Francisco office. She had a distinguished career at the U.S. Department of Justice, where her portfolio spanned the breadth of civil and criminal antitrust enforcement. She advises clients on merger clearance, cartel investigations, and high-stakes litigation, bringing deep government insight and a practical, strategic approach to managing antitrust risk.

Denise Plunkett, Chair of Axinn’s Litigation practice, is a trial lawyer with more than 25 years of experience handling an impressive array of high-stakes commercial disputes and high-profile antitrust cases. Denise has served as lead trial counsel in well over a dozen jury trials of varying types. She has successfully represented MasterCard in some of its most significant antitrust cases, including challenges to its currency conversion and chargeback practices, and recently won a federal jury trial concerning the termination of a Mastercard membership. Her diverse litigation and counseling practice includes trials and appearances in numerous federal and state courts, international and AAA arbitrations, advocacy before the FTC Bureau of Competition, and appellate and other post-judgment representations. 

Kaitlin Rittgers is an associate in Axinn’s Antitrust group. Her practice covers a variety of U.S. antitrust law matters, and she has experience with both domestic and global clients across a range of industries. Kaitlin has also worked as a political researcher focused on U.S. domestic politics and foreign relations.

Mike Keeley, chair of Axinn’s antitrust practice, has nearly 30 years of experience guiding clients through antitrust clearance for multibillion-dollar mergers, trying complex antitrust cases, and guiding companies through the increasingly challenging antitrust landscape. His business-focused approach has built lasting partnerships with some of the world’s most recognized companies.

Carol Liu advises clients in high-profile, complex antitrust matters across mergers, government investigations and litigation. With her deep experience before the Department of Justice, Federal Trade Commission, state attorneys general, international enforcers, and in courts, Carol is trusted by her clients to deliver practical and thoughtful strategies to navigate complex antitrust issues and advance their business goals.

Ted Mathias serves as lead counsel in complex patent litigation, often managing cases involving more than 15 patents. He frequently handles matters at the intersection of patent and antitrust law, with a strong focus on advising clients in the pharmaceutical industry.

Jacklin (Jackie) Chou Lem is a Partner and accomplished antitrust lawyer based in our San Francisco office. She had a distinguished career at the U.S. Department of Justice, where her portfolio spanned the breadth of civil and criminal antitrust enforcement. She advises clients on merger clearance, cartel investigations, and high-stakes litigation, bringing deep government insight and a practical, strategic approach to managing antitrust risk.