Melissa Marquez


Melissa M. Marquez


Los Angeles

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Melissa Marquez’s practice emphasizes litigation of complex civil matters that involve healthcare fraud, whistleblower actions, and qui tam matters.

Melissa’s dedication to clients is demonstrated through her attention to detail, analytical skills, and handling matters diligently in accordance with the highest standard of the profession. Her work entails prosecuting unlawful business practices such as fraudulent claims of services rendered, medical billing and coding; kickbacks, and illegal ownership of professional corporations.

Prior to joining Knox Ricksen LLP, Melissa litigated a wide range of matters, including fraud, breach of contract, breach of fiduciary duty, personal injury, and real estate law. She has extensive experience in preparing pleadings, propounding, and responding to discovery requests, attending court appearances, making oral arguments in court, and developing litigation strategies for trial.

Bar and Court Admissions

  • State of California
  • Commonwealth of Massachusetts/Massachusetts
  • New Hampshire


  • Suffolk University Law School, 2017
  • Suffolk University B.A., cum laude, 2014

Honors and Awards

  • Named to the Southern California Super Lawyers list of “Rising Stars,” 2023

Community Involvement

  • While in law school, Melissa provided pro bono services at the Accelerator’s Practice Clinic, where she represented and advised low-income individuals on matters involving housing discrimination, real estate law, and criminal law.