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Professional Notes & Events


John M. LeBlanc

John LeBlanc is a litigation partner in the firm’s Los Angeles office.  With over 20 years experience, Mr. LeBlanc focuses primarily on litigation and regulatory matters affecting the health insurance and managed care industries. 

Mr. LeBlanc represents many of the nation’s leading insurers and health plans, including the largest not-for-profit health care service plan in California.  He also represents some of the health insurance industry’s top trade associations.

Mr. LeBlanc has extensive experience, successfully handling hundreds of cases at the state and federal level, at both the trial and appellate level. Mr. LeBlanc’s range of experience runs deep, and covers such areas as claims handling disputes, rescission, fraud, bad faith, breach of fiduciary duty, unfair competition, professional liability, ERISA, and class action.

John LeBlanc not only serves as counsel to his clients, but acts as a strategic advisor, providing representation on a wide variety of day-to-day legal matters.  Mr. LeBlanc is the lead co-author of the health insurance and managed care section of the popular and respected Insurance Litigation Practice Guide, published by The Rutter Group.

A few examples of Mr. LeBlanc’s recent experience includes:

  • Represented the leading health insurance industry trade association in California in its successful challenge to regulations proposed by the California Department of Insurance.
  • Represented California health insurer in obtaining summary judgment in the Superior Court of the State of California in which the court held that health insurer properly rescinded the health policy issued to insured based on material misrepresentations and omissions on the health insurance application.
  • Lead trial counsel representing California health care service plan in obtaining directed verdict at trial in rescission matter.

Mr. LeBlanc is also highly accomplished in visual persuasion, creating powerful graphic presentations for opening statements, closing arguments, mediations, mock trials and speaking engagements. He combines his wide litigation background with a unique ability to create presentations that convey authenticity, credibility and, importantly, result in persuasive and winning arguments. Mr. LeBlanc is available to consult with attorneys and create presentations, regardless of subject matter, and then assist the attorney with delivery and presentation.


  • Southwestern University School of Law, J.D., cum laude, 1991
    Lead Articles Editor, Law Review
  • Biola University, M.Div., with honors, 1987
  • California State University, Long Beach, B.A., 1983

Articles & Publications

  • The Rutter Group, California Practice Guide, Insurance Litigation, Chapter 6E, Health Insurance and Managed Care (2002-present) (contributing author)

Professional Memberships

  • The State Bar of California
  • American Association of Health Lawyers
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