29 Oct, 2021

Paraquat Trial Tracker: Litigation alleging Syngenta’s paraquat weed killer causes Parkinson’s disease moving toward trial

Posted by : Carey Gillam

This blog by Carey Gillam is updated regularly with news and tips about the lawsuits involving Paraquat-based weed killer products. See our Paraquat Papers pages for court and discovery documents, related stories.

Litigation alleging Syngenta’s paraquat weed killer causes Parkinson’s disease moving toward trial

Lawyers involved in U.S. litigation accusing Syngenta AG of spending decades selling an herbicide that causes Parkinson’s disease are moving toward selection of a bellwether trial to be held roughly a year from now, according to the federal judge overseeing the litigation.

In a hearing on Friday, U.S. District Judge Nancy Rosenstengel of the Southern District of Illinois told lawyers for the hundreds of plaintiffs so far involved in the cases against Syngenta that they should work quickly to have the plaintiffs complete assessment questionnaires and provide their medical records and other relevant documents.

She said lawyers should be planning for a trial this time next year, though it is not clear yet who the first plaintiff or group of plaintiffs will be.

Rosenstengel is overseeing what is known as “multidistrict litigation (MDL) as a means of  consolidating the pretrial proceedings, such as discovery of evidence and depositions of witnesses. There are currently more than 380 cases within the MDL.

The judge also advised lawyers for plaintiffs and the defendants to work to coordinate with lawsuits in state courts that are making the same allegations – that exposure to paraquat weed killer caused the plaintiffs to develop Parkinson’s disease, a devastating neurological disease. Cases are pending in California, Illinois, Pennsylvania, and Washington.

Along with Syngenta, the defendants include Chevron Phillips Chemical Company LP, and Chevron USA, Inc. All have denied any liability.

Chevron distributed and sold Gramoxone paraquat product in the United States in an agreement with a Syngenta predecessor called Imperial Chemical Industries (ICI), which introduced paraquat-based Gramoxone in 1962. Under a license agreement, Chevron had the right to to manufacture, use, and sell paraquat formulations in the U.S.

Lawyers around the United States are advertising for plaintiffs, seeking to draw in thousands of people who’ve been exposed to paraquat and now suffer from Parkinson’s.

The lawsuits include allegations “that manufacturers and sellers of paraquat deliberately concealed the dangers of paraquat for at least four decades, hid evidence of its dangers from government safety agencies, and knowingly unleased a product they knew caused Parkinson’s Disease on the public.”

On Oct. 27, Judge Rosenstengel issued an order regarding the “preservation and production”  of documents and other information. The defendants had already turned over a large amount of internal documents and other materials in a lawsuit that they settled earlier this year. Those materials are to be provided to the plaintiffs’ attorneys in the MDL action.

Several scientific studies have linked paraquat to Parkinson’s, including a large study of U.S. farmers jointly overseen by multiple U.S. government agencies.  Farmers use paraquat in the production of many crops, including corn, soy and cotton. The Agricultural Health Study (AHS) said it found that “exposure to agricultural pesticides may increase a person’s risk of developing Parkinson’s disease.” In 2011, AHS researchers reported that “participants who used paraquat or rotenone were twice as likely to develop Parkinson’s disease as people who didn’t use these chemicals.”

Lawyers for plaintiff George Isaak sought the judge’s permission to grant Isaak an expedited trial early in 2022 but were rejected.

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