Sandler, Jonathan C.

Jonathan Sandler is in his element in front of a jury or a judge. An experienced trial litigator, he is a vigorous advocate for his clients’ interests who knows when and how to take a case to trial. Jonathan is well versed in complex commercial litigation and specializes in business, healthcare, real estate, negligence, fraud and employment matters.

With numerous jury and court trials completed throughout Southern California, he has litigated a wide range of matters. These matters include business disputes, consumer protection matters, water disputes, employment disputes, trade secret disputes, real estate disputes involving commercial properties, residential properties and neighboring properties, and health care disputes involving managed care liability, first- and third-party health service contract disputes, payor/provider contracting disputes involving statewide agreements, and ERISA and Medicare preemption.  

Practices & Industries
Trial Experience

Jonathan is a familiar figure in California courts, where he has been a successful advocate for both plaintiffs and defendants. He has served as lead counsel in a wide variety of matters, including trial and arbitration. He represents clients as the chief negotiator in mandatory settlement conferences and mediations, and has worked with multiple firm offices on coordinated legal representations, which have resulted in numerous favorable verdicts and cost-effective settlements.

  • Represented corporation in a federal court jury trial involving significant breach of contract action against party that refused to meet contractual obligations.

  • Represented company in binding arbitration related to finder’s fee litigation stemming from successful acquisition.

Consumer Protection

Jonathan represents companies defending individual and class action claims spanning a variety of state and federal consumer protection related statutes and claims. His work includes representing companies in a wide range of consumer issues from meeting statutory labeling requirements, to fair debt collection practices act matters, to cases involving the Americans with Disabilities Act to data breach related claims. 


  • Successfully represented an industry leading company and its commerce chain in state wide class action alleging violation of Prop. 65.
  • Defended international beauty product company in state wide class action matter involving allegations that marketing representations required FDA approval and violated the Consumer Legal Remedies Act.
  • Successfully represented natural food company in threatened class action matter involving claims of a “slack-fill” violation in a pre-litigation dispute alleging that more than 10 of the company’s products had more than double the amount permitted of unusable space.
  • Represented cosmetic company in successful pre-litigation settlement of threatened nationwide class action regarding misleading branding of products.
  • Successfully resolved on an individual basis, a threatened class action against cosmetic company involving alleged false marketing materials, violations of FTC standards, representations required FDA approval and violation of the Consumer Legal Remedies Act.
  • Successfully represented international company in Prop. 65 class action involving multiple beauty industry related products.
  • Defended national company in multiple TCPA class actions, including obtaining dismissal pre-litigation based upon affirmative showing of compliance.
Commercial Litigation

Jonathan is first and foremost a commercial litigator. Companies turn to Jonathan for virtually all business related disputes.  His experience as a strategic advisor to companies coupled with his proven capacity to take a case trial allows companies to make well-informed and astute business decisions related to litigation. 


  • Represented national company in lawsuit stemming from the purchase of multiple multi-million dollar assets.
  • Successfully represented corporations in shareholder derivative lawsuit.
  • Defend companies from third party invasive subpoenas.
  • Successfully represented technology company in trade secret litigation.
Representative Matters

Business Litigation

Health Care Litigation

  • Represented health plan in a seven week jury trial involving multi-party litigation seeking to hold managed care health plan liable for decisions made at the medical group and physician level.

  • Regularly represents health plans in first and third party health service contract disputes.

  • Successfully represented health plan in multiple ERISA actions.

  • Represented international health plan in litigation against state wide medical provider involving a contract dispute related to overcharges in the tens of millions of dollars.

Real Estate Litigation

  • Successfully represented commercial landlord in litigation against former tenant.

  • Successfully represented investor client in the partition of significant residential/commercial property with complicated potential profits analysis.

  • Prepared and filed lis pendens as means to enforce purchase agreement of multi-million dollar properties.

Consumer Protection

Water Litigation

  • Represented property owner in a multi-week jury trial involving damage relating to the property’s natural resources.

  • Representing a Central Coast corporation with significant water interest in litigation involving it's right to sell water to whom it chooses.

News & Events
Publications & Presentations
  • J.D., 2003, Loyola Law School
  • B.A., 2000, Emory University
  • California
  • U.S. District Court, Central District of California
  • U.S. District Court, Southern District of California
  • U.S. District Court, Northern District of California
  • U.S. District Court, Eastern District of California

State Bar of California

Association of Southern California Defense Counsel

Los Angeles County Bar Association

Association of Business Trial Lawyers, Los Angeles

Beverly Hills Bar Association