Jonathan S. Weilbacher

Jonathan Weilbacher is a skilled trial attorney at Messner Reeves LLP, specializing in insurance defense with an emphasis on personal injury, premises liability, and property damage litigation. He represents major insurance carriers and their insureds across California, providing strategic, results-driven defense in high-exposure cases from pre-litigation through trial.

Jonathan’s practice spans the full range of civil defense matters, including automobile negligence, catastrophic injury, construction defect, and first-party property damage claims. He is known for his meticulous case analysis, effective discovery strategies, and persuasive courtroom advocacy. Whether negotiating favorable settlements or securing defense verdicts at trial, Jonathan consistently achieves efficient and practical outcomes aligned with carrier expectations and litigation budgets.

Trusted by adjusters, risk managers, and corporate clients alike, Jonathan provides clear communication, early case evaluation, and proactive litigation management. His experience defending insureds and self-insured entities has made him a go-to attorney for complex liability and damages disputes, as well as cases involving SIU issues, coverage evaluation, and time-limit demands.

Prior to focusing exclusively on insurance defense, Jonathan developed a strong foundation in corporate and business law, giving him a unique ability to evaluate risk and exposure through both legal and financial lenses. This background enhances his ability to advise carriers and insureds on claim valuation, settlement strategy, and long-term litigation planning.

Jonathan earned his J.D. from New England Law | Boston and his B.S. in Business from San Diego State University. His practice philosophy is defined by preparation, professionalism, and precision—qualities that drive his success in defending clients in California’s most demanding venues.

A few of Jonathan’s most recent accomplishments:

• Jury Trial in Los Angeles County, with full defense verdict after Plaintiff’s demand for $325,000.
• Jury Trial in Los Angeles County, with a defense verdict after costs award when Plaintiff’s demand was $2,000,000.