Jonathan L. King is a personal injury trial attorney with The Law Offices of Justin H. King in Rancho Cucamonga, California. He represents people and families facing the consequences of serious injury, wrongful death, insurance disputes, and other complex civil matters throughout the Inland Empire and Southern California.
His practice includes catastrophic injury, traumatic brain injury, motor vehicle and commercial trucking collisions, premises liability, government tort claims, insurance bad faith, class actions, and other plaintiff-side litigation.
Mr. King was recognized in the 2025 and 2026 editions of The Best Lawyers in America® for Personal Injury Litigation – Plaintiffs.
What distinguishes his background, however, is the breadth of his courtroom experience.
Over the course of his career, Mr. King has litigated to verdict 17 jury trials and more than 40 bench trials and has handled hundreds of matters across California, New York, and Montana. Before focusing his practice on personal injury litigation, he spent years representing criminal defendants in trial and appellate courts. That experience placed him in courtrooms early and often and continues to shape the way he prepares civil cases today.
His experience includes:
- 17 jury trials litigated to verdict
- More than 40 bench trials
- Criminal trial and appellate advocacy
- Personal injury and civil rights litigation
- Complex commercial litigation
- Class action litigation
- Mediation and fee arbitration
- Trial advocacy training through nationally recognized programs
In 2026, Mr. King and his brother, Justin H. King, were appointed class counsel in a certified statewide class action against National General Insurance Company on behalf of California policyholders.
Mr. King earned concurrent Juris Doctor and Master of Business Administration degrees from New York University School of Law and the NYU Stern School of Business in 2008. While at NYU School of Law, he served as a Staff Editor of the NYU Environmental Law Journal and externed for the Honorable Virginia A. Phillips of the United States District Court for the Central District of California.
He earned his Bachelor of Arts in Biology, magna cum laude, from Claremont McKenna College.
Mr. King began his career in complex commercial litigation in New York before choosing a different path: representing individuals.
He went on to serve as a public defender in Massachusetts and Montana, trying felony and misdemeanor cases and later arguing criminal appeals before the Montana Supreme Court. He subsequently founded Jonathan King PLLC in Helena, Montana, where his practice included personal injury, wrongful death, civil rights, and complex injury matters.
He later joined Doubek, Pyfer & Storrar, PLLP, where he litigated personal injury and civil rights cases in Montana district courts and served as a court-appointed mediator for Lewis and Clark County District Court in matters involving the Department of Child and Family Services.
Mr. King eventually returned to his native Rancho Cucamonga and joined The Law Offices of Justin H. King.
Trial advocacy has remained a central part of his professional development. Mr. King is a graduate of the Trial Lawyers College and the National Criminal Defense College Trial Practice Institute and has completed advanced trial advocacy training through the University of Montana School of Law.
He also writes and teaches about trial practice.
His professional writing and presentations include:
- “Musings on Voir Dire,” Western San Bernardino County Bar Association Bulletin
- “Musings on Cross-Examination,” Western San Bernardino County Bar Association Bulletin
- “Preparing Your Case to Win at Trial,” Montana Trial Lawyers Association
- “Drafting the Initial Pleadings,” National Business Institute
Mr. King serves as a Director at Large of the Western San Bernardino County Bar Association. His service includes work with the association’s Lawyer Referral Service, Mediation, Fee Arbitration, and Young Lawyer Division committees. He also serves as a mediator and fee arbitrator and participates in mentorship and professional development within the local legal community.
He is admitted to practice in California and New York, is inactive in Montana, and is admitted to the United States District Court for the Central District of California.
Mr. King speaks English and Spanish.
Additional information about Jonathan L. King and his personal injury trial practice is available at: