Long Latency & the Discovery Rule in California
One of the most important — and misunderstood — features of toxic-tort cases is that the illness can surface long after the exposure. The law has a concept that addresses this, often called the discovery rule, and understanding it can be the difference between having a claim and losing one.
Why latency matters
Many toxic illnesses develop slowly and appear years after exposure. If deadlines ran only from the date of exposure, people would often lose their claim before they even knew they were harmed — which is why the law treats these cases differently in many situations.
What the discovery rule can do
Under a discovery rule, the deadline can begin when you discovered — or reasonably should have discovered — your illness and its likely cause, rather than at the moment of exposure. Whether and how it applies depends on the state and the facts, so it should be confirmed, not assumed.
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Frequently asked questions
Does my deadline start from the exposure or the diagnosis?
It depends on the state and the facts. In many toxic-exposure cases a discovery rule can start the clock when you discovered your illness and its likely cause, not at the exposure. Because it is fact-specific, it is worth confirming — which a free review can do.
California law — what people ask
How long do I have to file an injury claim in California?
Generally two years from the date you were hurt. If a government entity is involved — a city vehicle, a public road, a public hospital — you usually have to present a formal claim to that agency within roughly six months before you can sue at all, which catches people out far more often than the two-year date.
Can I still recover if I was partly at fault in California?
Yes. California uses pure comparative negligence, so your recovery is reduced by your percentage of fault rather than barred — even if your share turns out to be the larger one. There is no cutoff percentage that ends a claim here.
Does California cap what I can recover?
Not in an ordinary injury case. Medical-malpractice claims are the main exception, where non-economic damages are limited by a cap that steps up over time. For most claims — car crashes, falls, defective products — there is no statutory ceiling.
What if more than one person was responsible?
California splits the analysis: defendants can be jointly responsible for your economic losses such as medical bills and lost income, while non-economic damages like pain and suffering are apportioned to each defendant by its own share of fault.
The driver who hit me had no insurance. What now?
Your own uninsured or underinsured motorist coverage is usually the answer, and it commonly applies to hit-and-run collisions as well. Check every policy in the household, not only the one covering the car you were in.
Will the jury hear that my health insurance paid my bills?
Generally not. California follows the collateral source rule, so a wrongdoer does not get credit for insurance you paid for. How your medical damages are measured is a separate and often contested question.
Injury law in California
California injury law shapes your case in a few specific ways worth knowing early.
- Filing deadline: You generally have two years from the date of the injury to file — and only about six months to put a government entity on notice before you can sue.
- Fault: California follows pure comparative negligence, so you can still recover even if you were partly — or mostly — at fault, with your recovery reduced by your share of the blame.
- Damage caps: An ordinary California injury case has no cap on damages; medical-malpractice claims are the main exception.
- Uninsured drivers: California sets minimum auto-insurance limits and uninsured/underinsured-motorist rules that affect what coverage is available.
Related toxic exposure topics
California injury law
This is general information about California injury law, not legal advice. Every case is different.
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