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Monsanto & Bayer Corporate Liability

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The Monsanto Papers: A Chronicle of Corporate Deception

The "Monsanto Papers" is the term given to thousands of internal corporate documents obtained through litigation discovery that reveal how Monsanto systematically concealed the cancer risks of its flagship product. These documents — corporate emails, memos, strategy presentations, and internal scientific assessments — have been central to every Roundup trial and are the foundation of the fraud and punitive damage claims that have produced the largest verdicts.

As early as 1999, Monsanto commissioned an independent review of glyphosate's genotoxicity by British geneticist Dr. James Parry. When Parry concluded that glyphosate was "clastogenic" (capable of breaking chromosomes) and recommended further testing, Monsanto buried his report. Internal emails show that toxicologist Dr. William Heydens wrote to colleagues that Parry's conclusions were "not what we wanted" and that the company needed to find "a different person or approach" to produce more favorable results.

Ghostwriting and Manufactured Science

Perhaps the most damaging revelations involve Monsanto's practice of ghostwriting published scientific papers to create the appearance of independent support for glyphosate safety. In a 2015 email, Dr. William Heydens proposed that Monsanto scientists could write sections of a safety review and then recruit outside academics to "edit and sign their names" — a scheme that would produce a published paper bearing the names of seemingly independent scientists but actually authored by the company whose product was being evaluated.

Multiple published papers purporting to find glyphosate safe were later identified as partially or wholly ghostwritten by Monsanto employees. These papers were then cited by regulatory agencies including the EPA as evidence supporting the safety of glyphosate — creating a circular system where Monsanto's own conclusions, disguised as independent science, were used to justify continued sales of its product.

Cultivating Regulatory Allies

Internal documents reveal a troublingly close relationship between Monsanto and key EPA officials. Jess Rowland, who chaired the EPA's Cancer Assessment Review Committee (CARC), was in regular contact with Monsanto representatives. In a 2015 email, Monsanto regulatory affairs manager Dan Jenkins wrote that Rowland had promised to "try to kill" a separate Department of Health and Human Services review of glyphosate, reportedly telling Jenkins: "If I can kill this, I should get a medal."

The EPA's Office of Pesticide Programs issued a draft risk assessment in 2016 finding glyphosate "not likely to be carcinogenic to humans" — a conclusion that contradicted IARC and relied heavily on unpublished industry-sponsored studies. The CARC meeting that approved this finding was chaired by Rowland, who retired from the EPA shortly afterward.

Bayer's $63 Billion Acquisition and Its Consequences

In June 2018, German pharmaceutical and chemical company Bayer AG completed its acquisition of Monsanto for $63 billion. The acquisition was controversial from the outset — Bayer shareholders questioned the wisdom of acquiring a company facing thousands of cancer lawsuits, and the deal closed just two months before the first Roundup trial resulted in a $289 million verdict against Monsanto.

Within two years of the acquisition, Bayer announced a $10.9 billion settlement framework to resolve approximately 100,000 pending claims. The company's stock price, which was over 90 euros at the time of the acquisition, fell below 50 euros as the scale of Roundup liability became clear.

Bayer assumed full legal liability for all Monsanto actions, including the decades of scientific suppression and regulatory manipulation documented in the Monsanto Papers. The company continues to sell Roundup (reformulated for residential use in 2023) while simultaneously paying billions to resolve cancer claims — a contradiction that jurors have consistently found outrageous enough to warrant punitive damages.

Why Punitive Damages Have Been So Large

In all three bellwether Roundup trials, juries awarded punitive damages that dwarfed compensatory damages. Punitive damages are reserved for conduct that is "despicable" or reflects "a conscious disregard of the rights or safety of others." The evidence of Monsanto's deliberate concealment of cancer risks, ghostwriting of safety studies, and attacks on independent scientists meets this standard comprehensively.

The Johnson jury awarded $250 million in punitive damages (reduced to $39 million on appeal). The Hardeman jury awarded $75 million in punitives. The Pilliod jury awarded $2 billion in punitives (reduced to $69 million). Each jury heard the same internal documents and reached the same conclusion: Monsanto's conduct was malicious and deserving of punishment.

Products

Brand Names & Products

MonsantoBayer AGBayer CropScienceRoundupRanger Pro
Key Data

Data & Statistics

$63B

Bayer's acquisition price for Monsanto (2018)

$18B+

Total Roundup settlement costs to date (2020 + 2026 proposed)

3 of 3

Consecutive bellwether trial victories for plaintiffs

Research & Evidence

Scientific Evidence

meta-analysis

Exposure to Glyphosate-Based Herbicides and Risk for Non-Hodgkin Lymphoma: A Meta-Analysis

Zhang L, Rana I, Shaffer RM, Taioli E, Sheppard L. (2019). Mutation Research / Reviews in Mutation Research

Key Findings

  • 41% increased risk of NHL among highest-exposed individuals (OR = 1.41, 95% CI: 1.13-1.75)
  • Consistent positive association across multiple study designs and populations
  • Dose-response relationship observed with increasing cumulative exposure
  • Results were robust across sensitivity analyses
meta-analysis

IARC Monograph Volume 112: Glyphosate Evaluation

International Agency for Research on Cancer Working Group. (2015). IARC Monographs on the Evaluation of Carcinogenic Risks to Humans

Key Findings

  • Classified glyphosate as Group 2A — "probably carcinogenic to humans"
  • Sufficient evidence of carcinogenicity in experimental animals
  • Limited evidence of carcinogenicity in humans (positive association with NHL)
  • Strong mechanistic evidence of genotoxicity and oxidative stress
cohort

Glyphosate Use and Cancer Incidence in the Agricultural Health Study

Andreotti G, Koutros S, Hofmann JN, et al. (2018). Journal of the National Cancer Institute

Key Findings

  • No statistically significant overall association between glyphosate and NHL in the full cohort
  • Increased risk of acute myeloid leukemia (AML) in the highest-exposure quartile
  • Trends toward increased NHL risk in highest-exposure group but did not reach statistical significance
  • Study limitations include potential exposure misclassification and healthy worker effect
FAQ

Frequently Asked Questions

What is the Roundup litigation about?

Lawsuits allege that exposure to Roundup weedkiller, which contains the chemical glyphosate, can contribute to non-Hodgkin lymphoma, and that the manufacturer (Monsanto, now owned by Bayer) failed to warn users. Juries in several cases have returned verdicts for plaintiffs, and the manufacturer has resolved many claims through settlements, while litigation continues.

Do I qualify for a Roundup lawsuit?

Whether someone may qualify for a Roundup claim generally depends on factors such as the diagnosis or injury, the history of using or being exposed to the product, and when the condition was diagnosed. The clearest way to find out is a confidential case review. People's Justice is not a law firm; we connect people with attorneys who can evaluate their individual situation.

Is there a deadline to file a Roundup claim?

Yes. Each state sets a statute of limitations — a legal deadline for filing — and the time limit varies by state and can depend on when you discovered your injury. Because these deadlines can be strict and missing one may permanently bar a claim, it is important to speak with an attorney as soon as possible.

How much does it cost to pursue a Roundup claim?

Many attorneys who handle Roundup claims work on a contingency-fee basis, meaning their fee is typically a percentage of any recovery rather than an upfront payment; the specific terms are set in the agreement between the client and the attorney. A confidential case review can explain how this would work for an individual situation. People's Justice is not a law firm.

What kinds of compensation can a Roundup claim seek?

Compensation in injury and product-liability claims can include categories such as medical expenses, lost income, and pain and suffering. Whether any compensation is available, and how much, depends entirely on the specific facts of each case, and no outcome can be promised. An attorney can explain what may apply to your situation during a free review.
Related Topics

Related Pages

Parent Case

Roundup Lawsuit

Roundup, the world’s most widely used herbicide, contains glyphosate — a chemical the World Health Organization classified as "probably carcinogenic to humans" in 2015. Monsanto, which created Roundup, was acquired by Bayer in 2018. Internal documents revealed Monsanto knew of cancer risks but chose to suppress the science and attack independent researchers. Juries have awarded billions in damages, and Bayer has paid over $11 billion in settlements.

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