Jiamie Chen


Class Actions


District of Columbia
State of California (pending)
State of New York


University of Pennsylvania Law School, J.D.
Dartmouth College, B.A., Government


Mandarin Chinese (conversational)
Shanghainese Chinese (native)

An experienced trial attorney in both civil and criminal practice, Jiamie Chen has built her career on litigating complex antitrust and white-collar matters.

Representative matters include:

  • Capacitors Price-Fixing Antitrust Litigation: The firm is Sole Lead Counsel in a class action lawsuit alleging that global capacitor manufacturers conspired to fix prices, forcing direct purchasers to pay more. Class is certified and trial is set for 2020. Initial settlements in the case total $219.5 million;
  • EpiPen Marketing, Sales Practices, and Antitrust Litigation: The firm is on the Plaintiffs’ Steering Committee leading a class action alleging that Pfizer and Mylan—manufacturer and distributor of the epinephrine autoinjector EpiPen, respectively—have unlawfully created and abused a monopoly for the life-saving product. Plaintiffs seek to recover damages and overpayments from at least 2009 through the present, as well as injunctive relief under the federal antitrust laws and various state consumer protection and antitrust laws;
  • Inductors Price-Fixing Cartel Litigation and Investigation: The firm is litigating and investigating an alleged anticompetitive conspiracy involving manufacturers of inductors, a widely used passive electronic component. The investigation indicates, and the complaint alleges, that inductor manufacturers unlawfully agreed to fix the price of inductors shipped or invoiced to U.S. purchasers;
  • LG/Samsung Antitrust Litigation: The firm represents current and former LG and Samsung employees in a class action against the two electronics giants, alleging that they entered into an illegal no-poaching agreement that limits employee access to mobility and compensation;
  • Rail Equipment Suppliers Litigation: The firm has filed an antitrust class action complaint on behalf of individuals harmed by unlawful “no-poach” agreements between some of the world’s largest rail equipment suppliers: Knorr-Bremse AG, Westinghouse Air Brake Technologies Corporation (Wabtec), and Faiveley Transport, S.A., and their subsidiaries. It seeks compensation for the harm Plaintiffs suffered as a result of the Defendants’ unlawful collusion; and
  • UFC Antitrust Litigation: The firm is Co-Lead Counsel for current and former Elite Professional Mixed Martial Arts (MMA) Fighters in a class action lawsuit against Ultimate Fighting Championship (UFC), alleging that UFC illegally acquired and maintained a monopoly and monopsony power over Elite Professional MMA fighters, and used that power to suppress their compensation.

Prior to joining the firm, Jiamie served as an Assistant United States Attorney in Las Vegas and as the designated Department of Justice Financial Crimes Task Force prosecutor for the District of Nevada. Jiamie specialized in prosecuting million-dollar financial crimes, served as the coordinator of the Identity Theft Prosecutions Program, and has argued at hundreds of proceedings in federal court, including at trial. Previously, Jiamie practiced with two preeminent law firms in Washington, D.C., where she focused on antitrust and white-collar matters. She defended a Fortune 500 company at trial in an international cartel case, served as antitrust counsel in a successful billion-dollar acquisition, and represented a Wall Street bank in a complex investigation and prosecution involving foreign exchange pricing practices.

Jiamie also served as judicial law clerk for Chief Judge Lawrence J. O’Neill of the United States District Court for the Eastern District of California, where she drafted dispositive opinions in matters ranging from civil rights to patent infringement, and gained familiarity with how the Court approaches key issues such as class certification and sufficiency of allegations of complex wrongful conduct.

Jiamie is appointed to the California Lawyers Association Antitrust Section’s Executive Committee for the term beginning in October 2019. She currently serves as the Co-Chair of the Women’s Committee and in the Mentorship Program for the Asian American Bar Association of the Greater Bay Area, on the Education Subcommittee of the California Lawyers Association’s Antitrust, UCL and Privacy Section, and as the Regional Director for the Dartmouth Asian Pacific American Alumni Association. She is a Barrister member of the Edward J. McFetridge American Inn of Court. She is also a member of the American Bar Association (Antitrust Section) and the Bar Association of San Francisco.

Jiamie recently co-organized and served as a panelist on a California Lawyers Association MCLE antitrust webinar program and as a moderator for an American Bar Association/California Lawyers Association program.

Jiamie is lead chapter author for an upcoming ABA Antitrust Section treatise on expert witnesses and Daubert practice. In Fall 2018, she authored “‘No-Poach’ Agreements as Sherman Act Section § 1 Violations: How We Got Here and Where We’re Going,” for Competition, the Journal of the Antitrust and Unfair Competition Law Section of the California Lawyers Association. In 2019, Firm partner Steven Williams and she co-authored “‘Apple v. Pepper’ Will Enhance Private Antitrust Enforcement by Confirming Bright-Line Rule of ‘Illinois Brick’” for The Recorder. In 2018, they also co-authored “‘Pepper’ as a Back Door to ‘Illinois Brick’ (and ‘ARC America’)?” and “Should ‘Hanover Shoe’ and ‘Illinois Brick’ Be Discarded?” for The Recorder.

During law school, Jiamie served as Symposium Editor of the University of Pennsylvania Journal of International Law.