Roundup Lawsuits: Tort Law And Your Rights

The Roundup lawsuit is a series of mass tort cases against Monsanto (now Bayer) claiming that the company's popular weed killer Roundup causes cancer and that the company failed to warn about the health risks of glyphosate, the herbicide's primary ingredient. The lawsuits argue that Monsanto/Bayer continued to represent Roundup as safe even after scientific studies and international health organizations identified glyphosate as a possible carcinogen. As of July 2025, there are thousands of pending Roundup lawsuits, with plaintiffs seeking compensation for their injuries and reimbursement for the cost of the product. The average payout for Roundup lawsuits is estimated to be around $150,000, but the amount can vary depending on the specific circumstances of each case.

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Monsanto's liability

Monsanto, now Bayer, has been the defendant in a number of lawsuits over health and environmental issues related to its products. Monsanto has also made frequent use of the courts to defend its patents, particularly in the area of agricultural biotechnology.

In 2020, Monsanto agreed to pay nearly $11 billion to settle Roundup cancer claims, but thousands of cases are still active. The lawsuits allege that the glyphosate in Roundup weed killer may cause cancer, specifically non-Hodgkin's lymphoma. Monsanto has been accused of failing to warn about the health risks of glyphosate and continuing to represent Roundup as safe for humans and the environment.

Monsanto has faced multiple verdicts and settlements in Roundup lawsuits, with varying outcomes. For example, a Philadelphia jury found Monsanto not liable in the case of Judith Womack, who alleged that using Roundup led to her developing non-Hodgkin's lymphoma. However, in another case, Monsanto failed to overturn a $175 million verdict awarded to Ernest Caranci, who also developed non-Hodgkin's lymphoma after decades of using Roundup.

The outcome of the Roundup lawsuits has significant implications for Monsanto's liability. A ruling against Monsanto would allow victims to hold the company accountable under state tort law, while a ruling in Monsanto's favor could dismiss thousands of pending lawsuits. Monsanto's liability is further impacted by the scientific evidence and public perception surrounding the safety of Roundup. The company's settlement process is complicated by keeping Roundup on the market in its current form, and introducing a glyphosate-free version could help mitigate legal and public relations challenges.

Overall, Monsanto's liability in the Roundup lawsuits is still being determined through ongoing litigation and settlements. The company's acquisition by Bayer in 2018 has also added a layer of complexity to the legal proceedings.

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Bayer's responsibility

The lawsuit alleges that Bayer, as the manufacturer of Roundup, failed to warn consumers about the potential health risks associated with exposure to glyphosate. Specifically, the lawsuit claims that Bayer knew about the risk of cancer associated with the use of Roundup but did not provide adequate warnings or representations to consumers about these risks. This failure to warn is a key issue in the case and has been the subject of debate between Bayer and the plaintiffs. Bayer has argued that it was unable to add any warnings beyond the EPA-approved label and that federal law governing pesticides bars lawsuits claiming failure to warn under state laws. However, plaintiffs argue that Bayer misled consumers by continuing to represent Roundup as safe even after the potential link to cancer was established.

In terms of Bayer's responsibility, the company has taken steps to resolve the litigation by offering settlements to claimants. In 2020, Bayer offered up to $10.9 billion to settle thousands of Roundup personal injury claims, and as of July 2025, there are still 4,425 open Roundup lawsuit cases in federal MDL in California. Bayer has also prevailed in a series of Roundup trials, with independent regulatory bodies and courts finding that Roundup is safe. However, the company has also been hit with large jury awards, with payouts ranging from $5,000 to $250,000 per plaintiff, and an average settlement of $150,000.

The outcome of the Roundup lawsuit has significant implications for Bayer. A ruling against the company could result in billions of dollars in damages and pave the way for thousands of similar lawsuits. On the other hand, a ruling in Bayer's favour could validate the safety of Roundup and bring closure to the ongoing litigation. As the litigation progresses, Bayer faces pressure to seriously consider a global resolution and manage the risks associated with the lawsuits.

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Glyphosate's carcinogenicity

The International Agency for Research on Cancer (IARC) classified glyphosate, the active ingredient in Roundup, as a "probable carcinogen" in humans. This classification was based on a review of the available published scientific evidence relevant to the carcinogenicity of glyphosate. The IARC Working Group considered approximately 1000 citations, including studies of different formulations used in different geographical regions and at different times. The conclusion was that glyphosate is "probably carcinogenic to humans" (Group 2A).

However, the US Environmental Protection Agency (EPA) has not agreed with the IARC's conclusion and maintains that glyphosate is not likely to be carcinogenic to humans. The EPA considered a significantly more extensive and relevant dataset than the IARC and concluded that there is no evidence that glyphosate causes cancer in humans. The EPA is currently updating its evaluation of the carcinogenic potential of glyphosate to better explain its findings and include the most recent relevant scientific information.

Despite the EPA's position, thousands of lawsuits have been filed against Monsanto (now Bayer), claiming that Roundup caused cancer and that the company failed to warn about the health risks of glyphosate. Many scientific studies have suggested that prolonged exposure to glyphosate may cause non-Hodgkin's lymphoma and other cancers. These studies led specific international health organizations to add glyphosate to their list of possible human carcinogens. As a result, individuals who believe they were exposed to Roundup and subsequently developed cancer may be eligible to file a lawsuit.

The outcome of the Roundup lawsuits could have significant implications for Bayer and Monsanto, with potential payouts ranging from $5,000 to $250,000 per plaintiff, and an average settlement of $150,000. As of July 2025, there were 4,425 open Roundup lawsuit cases in federal MDL in California, and the Supreme Court's involvement in the case has raised the pressure on Bayer to consider a global resolution.

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Non-Hodgkin's lymphoma

The lawsuits filed against Monsanto (now Bayer) claim that the company's popular weed killer Roundup caused cancer and that the company failed to warn about the health risks of glyphosate, the herbicide that is the active ingredient in Roundup. In 2020, Monsanto agreed to pay nearly $11 billion to settle Roundup cancer claims, but thousands of cases are still active.

Many scientific studies have suggested that prolonged exposure to glyphosate may cause non-Hodgkin’s lymphoma and other cancers. These studies led specific international health organisations to add glyphosate to their list of possible human carcinogens, sparking a rapid downward spiral for Roundup. The identification of glyphosate as a possible carcinogen led to a wave of Roundup lawsuits by plaintiffs claiming that their use of Roundup caused them to develop non-Hodgkin's lymphoma and other diseases.

The International Agency for Research on Cancer (IRAC) has classified glyphosate as “probably carcinogenic to humans” following a review of approximately 1,000 studies on glyphosate and cancer. Exposure to glyphosate can increase the risk of non-Hodgkin’s lymphoma by 41%, according to the University of Washington’s Department of Environmental & Health Sciences.

People who are most likely to be exposed to large amounts of Roundup over a long period of time are agricultural workers and farmers. If you were diagnosed with non-Hodgkin lymphoma after being exposed to Roundup, you may be entitled to compensation. In July 2025, there were 4,425 open Roundup lawsuit cases in federal MDL in California.

In a notable case, a Pennsylvania jury awarded John McKivison a $2.25 billion verdict after a trial in which he claimed Roundup caused his non-Hodgkin lymphoma—the largest Roundup lawsuit verdict yet. Another jury in Missouri awarded $1.56 billion to four plaintiffs who claimed Roundup caused them or their spouse to develop non-Hodgkin lymphoma. In another instance, a Georgia jury awarded about $2.1 billion to John Barnes, who claimed he developed non-Hodgkin lymphoma after 20 years of using Roundup.

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Compensation amounts

The compensation amounts for the Roundup lawsuit vary depending on the details of each case. Lawyers estimate that Roundup settlement payouts range from $5,000 to $250,000, with an average settlement per plaintiff of $150,000. However, it is important to note that no settlement amount is guaranteed, and the value of each case will depend on its specific facts.

Several factors are considered when determining the compensation amount for each case. These factors include the type and stage of cancer, the age of the plaintiff, the duration and frequency of Roundup usage, the impact of the disease on the plaintiff's ability to work, the intensity of the treatment required, and whether the plaintiff has passed away. Cases with more severe circumstances, such as aggressive, late-stage cancer and long-term Roundup use, are likely to receive higher compensation amounts.

In one notable case, a plaintiff was awarded $2.25 billion, which the trial judge later reduced to $404 million, citing that the original compensatory damages exceeded reasonable compensation. This case highlights the variability in compensation amounts and the role of the court in determining the final settlement amount.

As of July 2025, there are 4,425 open Roundup lawsuit cases in federal MDL in California, indicating the ongoing nature of the litigation. The average payout for the last six Roundup lawsuits that went to trial is $617,387,142.86, demonstrating the potential for substantial compensation in these cases.

Overall, the compensation amounts in the Roundup lawsuit vary widely depending on the specific circumstances of each case, and the final settlement amounts are determined through legal proceedings. Individuals seeking compensation are advised to consult with experienced Roundup lawyers who can evaluate their cases and provide more specific estimates.

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