Syngenta's Efforts To Settle US Herbicide Litigation Rejected By Hundreds Of Plaintiffs

(MENAFN- Swissinfo) Hundreds of people who claim they developed Parkinson's disease after using or being exposed to the weedkiller paraquat have rejected settlement offers from the Swiss agricultural giant Syngenta, a stand-off that could lead to a wave of individual trials. Select your language

Generated with artificial intelligence. Listening: Syngenta's efforts to settle US herbicide litigation rejected by hundreds of plaintiffs This content was published on September 29, 2026 - 09:00 6 minutes

I cover food and agribusiness and have special interests in sustainable supply chains, food safety and quality, as well as covering the emerging players and trends in the food industry. A background in forestry and conservation biology brought me down the path of environmental advocacy. Journalism and Switzerland have made me a neutral observer holding companies accountable for their actions.

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When Syngenta agreed in 2025 to settle claims brought by 8,488 people that its herbicide paraquat caused Parkinson's disease, it was sign that the Swiss-based agricultural giant was ready to end a nine-year litigation battle and move on.

But that reckoning has proved complicated: at least three law firms report refusal rates of 80% or higher among their clients, and Swissinfo estimates that more than 900 plaintiffs overall have rejected Syngenta's offers.

>>> Read more about the case in our first coverage of the litigation five years ago

More More American farmers pursue Syngenta over herbicide's link to Parkinson's disease

This content was published on Nov 11, 2021 The Swiss-based multinational may have to fork out billions to settle legal cases filed by farmers exposed to paraquat as lawsuits pile up.

Read more: American farmers pursue Syngenta over herbicide's link to Parkinson's di

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