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Chlorpyrifos Lawsuit - Parkinson's Disease
Exposed to Chlorpyrifos in California and Diagnosed with Parkinson’s Disease?
At this time, Linville Firm is evaluating chlorpyrifos claims involving a confirmed Parkinson’s Disease diagnosis, with exposure having occurred in California.
For decades, chlorpyrifos was widely used throughout California’s agricultural industry. Farm workers, pesticide applicators, agricultural employees, and people living near treated fields may have experienced repeated exposure to chlorpyrifos through direct handling, spraying, inhalation, skin contact, or pesticide drift.
California was historically one of the largest users of chlorpyrifos in the United States, with substantial quantities of the pesticide applied to crops including corn, soybeans, citrus, almonds, grapes, and other produce.
Growing scientific research has examined whether long-term chlorpyrifos exposure is associated with an increased risk of developing Parkinson’s Disease. Linville Firm is currently investigating potential claims involving California residents and workers who were significantly exposed to chlorpyrifos and have been diagnosed with Parkinson’s Disease.

If you or a loved one has a confirmed Parkinson’s Disease diagnosis and a history of occupational, agricultural, or other significant chlorpyrifos exposure, contact Linville Firm for a free case evaluation.
Chlorpyrifos Use in California
California’s agricultural industry made chlorpyrifos a commonly used pesticide throughout many of the state’s farming communities for decades. Chlorpyrifos was used to control insects on crops, potentially exposing not only the direct applicators but also other individuals living near the treated fields.
California ultimately moved to eliminate nearly all uses of chlorpyrifos in the state. In October 2019, California announced an agreement with pesticide manufacturers to end virtually all sales of chlorpyrifos in the state.
The California Department of Pesticide Regulation characterized the action as ending virtually all uses of chlorpyrifos in the state because of concerns regarding its effect on human health.
Importantly, the end of chlorpyrifos use in California does not mean that potential injuries would necessarily have appeared by 2020. Parkinson’s Disease is a progressive neurodegenerative condition, and the potential latency between pesticide exposure and diagnosis is an important issue in evaluating these claims.
Who May Have Been Exposed?
Due to California’s extensive agricultural use of chlorpyrifos, potential exposure is not limited to individuals who personally sprayed the pesticide.
People who may have experienced significant chlorpyrifos exposure include:
- Farmers and farm workers
- Pesticide applicators
- Workers who mixed or loaded pesticide concentrates
- Landscapers and golf course groundskeepers
- Workers who cleaned pesticide application equipment
- People who lived near agricultural fields where chlorpyrifos was regularly applied
Exposure may occur through both application of the pesticide and through spray drift, volatilization, and long-term residential proximity to treated agricultural fields.

Chlorpyrifos and Parkinson’s Disease
Parkinson’s disease is a progressive neurological disorder associated with the degeneration of dopamine-producing neurons in the brain.
A recent UCLA study examined chlorpyrifos exposure among individuals in multiple agricultural counties in Central California, including Kern, Fresno, and Tulare. Researchers evaluated decades of agricultural pesticide-use data together with participants’ residential and workplace histories. The study found that long-term residential exposure to chlorpyrifos was associated with more than a 2.5-fold increased risk of developing Parkinson’s disease.
How Do I Know if I Qualify for a Claim?
Linville Firm is currently investigating claims involving individuals who were exposed to chlorpyrifos in California and later received a diagnosis of Parkinson’s Disease.
A potential claim may warrant investigation if you:
- Have been diagnosed with Parkinson’s Disease
- Worked in California agriculture, farming, pesticide application, pest control, landscaping, or another occupation involving chlorpyrifos
- Personally sprayed, mixed, loaded, handled, or worked around chlorpyrifos-containing pesticides
- Repeated exposure over several years
- Lived for an extended period near agricultural fields where chlorpyrifos was regularly applied
- Can identify chlorpyrifos products or provide employment or residential record that may help establish exposure.
Products identified in existing chlorpyrifos litigation include:
- Lorsban
- Durseban
- Cobalt
- Bolton
- Nufos
- Stallion
We are currently not accepting cases based solely on neurological symptoms or other neurological diagnoses or conditions that may later progress into Parkinson’s Disease.
Why Choose Linville Firm?
Linville Firm has experience representing thousands of individuals in complex product liability and mass-tort litigation involving claims against major corporations. Led by attorney Hunter Linville, our legal team understands that chlorpyrifos cases require more than simply showing that a person was exposed to a pesticide. Building a strong case may require establishing a history of significant chlorpyrifos exposure, identifying the products and companies involved, reviewing medical records, and developing the scientific evidence connecting that exposure to a Parkinson’s Disease diagnosis.
Our team will investigate the circumstances surrounding your exposure, including where you lived and worked, how long you were exposed, whether you directly handled or applied the products, and whether agricultural or other records can help document that exposure. While also evaluating the medical and scientific evidence relevant to your claim. Chlorpyrifos litigation involves complicated questions of toxic exposure, latency, and causation, and Linville Firm is prepared to work with the appropriate experts and evidence to build each case based on the individual client’s exposure history and Parkinson’s Disease diagnosis.
If a claim can be pursued, Hunter Linville and the Linville Firm team will fight to hold the responsible companies accountable and seek compensation for the harm caused. Our firm’s goal is to handle the complexities of the litigation so that our clients can focus on their health and their families. From the initial investigation through settlement negotiations or trial, Linville Firm is prepared to advocate for individuals who developed Parkinson’s Disease after significant chlorpyrifos exposure.
If you believe that you may qualify for a claim, please contact our office as soon as possible.
Linville Law Group | Contact Us
(888) 825-8007
info@
P.O. Box 76360
Atlanta, GA 30358-1360
Linville Firm | Contact Us
(888) 800-1784
info@linvillefirm.com
P.O. Box 76360
Atlanta, GA 30358-1360

