Elaine T. Byszewski

Los Angeles, California
(213) 330-7149
Practice Areas

Consumer Protection

Qui Tam

Antitrust Litigation



Harvard Law School, J.D., Cum Laude, 2002

University of Southern California, B.S., Public Policy, Summa Cum Laude, 1999


Ms. Byszewski is a partner at Hagens Berman where she has worked since 2004. She has litigated a number of complex class actions on behalf of consumers and employees resulting in multi-million dollar settlements, including cases against Toyota, AstraZeneca Pharmaceuticals, Berkeley Premium Nutraceuticals, Solvay Pharmaceuticals, Costco, Apple and KB Homes.

In working on Toyota Unintended Acceleration Litigation, Ms. Byszewski was part of the team led by Mr. Berman, who was appointed co-lead counsel of the multi district litigation pending in the Central District of California. It recently settled for $1.6 billion. She is currently involved in multi-state deceptive sales practices cases against Ford and EquiTrust Life Insurance Company; a multi-state antitrust action against major dairy cooperatives for colluding in the premature slaughter of a half a million cows to drive up the price of milk; and a false advertising case against SunRun, Inc. She is also involved in the firm’s representation of the City of Los Angeles and other municipalities in litigation against major banks for discriminating against minority borrowers.

Prior to joining Hagens Berman, Ms. Byszewski focused her practice on labor and employment litigation and counseling. During law school she worked in the trial division of the office of the Attorney General of Massachusetts.

Notable Cases

  • Dairy Cooperatives Antitrust Litigation
  • Toyota Unintended Acceleration
  • EquiTrust Litigation
  • SunRun, Inc. Advertising Litigation
  • AstraZeneca Pharmaceuticals (Nexium) Litigation
  • Merck (Vioxx) Litigation
  • Berkeley Nutraceuticals (Enzyte) Litigation
  • Solvay Pharmaceuticals (Estratest) Litigation
  • Apple iPod Litigation
  • Costco Wage and Hour Litigation


  • "Valuing Companion Animals in Wrongful Death Cases: A Survey of Current Court and Legislative Action and A Suggestion for Valuing Loss of Companionship" in Animal Law Review, 2003
  • "What's in the Wine? A History of FDA's Role" in Food and Drug Law Journal, 2002
  • “ERISA and RICO: New Tools for HMO Litigators” in Journal of Law, Medicine & Ethics, 2000

Prior Experience

  • Jones Day, Labor & Employment Associate, 2002-2004
  • Jones Day, Summer Associate, 2001
  • Attorney General's Office of Massachusetts, Trial Division Law Clerk, Spring and Fall 2001
  • Legal Services Program For Pasadena, Law Clerk, Summer 2000