Catastrophic Car Accident Injuries: What Constitutes a Serious Injury Claim in California

A catastrophic injury claim is not a larger version of an ordinary personal-injury case — it is a different case entirely. The evidence is different, the experts are different, the defense playbook is different, the carrier authority structure is different, and the settlement value is measured in life-care plans and economic projections rather than medical-special multipliers. The cost of treating these cases like ordinary soft-tissue files is the difference between a seven-figure verdict and a six-figure mistake. What follows is the framework California courts and carriers actually use to identify, value, and resolve serious-injury claims.