Roundup Litigation: A Timeline of Key Verdicts, Settlements, and Legal Battles

Note for Law Firms: Bookmark this page! We will be continuously updating this resource with the latest details, verdicts, settlements, and key developments in the ongoing Roundup litigation.

The litigation surrounding Roundup weedkiller, manufactured by Monsanto (a subsidiary of Bayer AG), has been a complex and closely watched legal saga. Allegations that the herbicide’s active ingredient, glyphosate, causes non-Hodgkin’s lymphoma (NHL) have led to tens of thousands of lawsuits across the United States. This article synthesizes key events, verdicts, and settlements in this ongoing litigation, providing a timeline of important developments.

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• • Mid-1970s: Roundup, containing glyphosate, is first introduced by Monsanto and becomes a widely used herbicide.
  • Mid-1990s: The introduction of “Roundup Ready” genetically modified crops significantly increases Roundup sales as farmers can spray directly on their crops.
  • 2015: Following the World Health Organization’s International Agency for Research on Cancer classifying glyphosate as “probably carcinogenic to humans,” the first lawsuits alleging a link between Roundup and cancer are filed.
  • 2016: The Roundup multidistrict litigation (Roundup MDL) is formed in the U.S. District Court for the Northern District of California under the supervision of Judge Vince Chhabria. 
  • August 2018: In the first Roundup lawsuit to go to trial, a California jury awards groundskeeper Dewayne “Lee” Johnson $289 million (later reduced to $20.5 million on appeal) against Monsanto, finding that his NHL was caused by Roundup exposure and that the company failed to warn of the risks. This verdict triggers a surge in new filings.
  • May 2019: A California jury awards Alberta and Alva Pilliod over $2 billion (later reduced to $87 million) for their NHL, which they claimed was due to decades of Roundup use.
  • March 2019: In the first federal bellwether trial, Edwin Hardeman is awarded $78.3 million (later upheld at $25 million on appeal) after a jury finds his NHL was caused by Roundup.

• July 2020: Bayer announces a $10.1 billion settlement to resolve most of the approximately 125,000 existing Roundup claims. This includes $1.25 billion set aside for potential future Roundup claims.

• February 2021: Bayer reaches a formal agreement for a $2 billion deal to address future Roundup cancer claims, establishing a fund for compensation and a science panel. This Bayer agreement faces judicial scrutiny and delays.

• June 2022: The U.S. Supreme Court denies Bayer’s appeal of the Hardeman verdict, upholding the $25 million award. Also, The Court rejects another Bayer bid to dismiss the $87 million Pilliod verdict.

• July 2021: Bayer announces it will end U.S. residential sales of its glyphosate-based herbicides, including Roundup, by 2023, citing litigation risk not safety concerns as the primary reason. The company will continue to sell to professional and agricultural markets.

• October 2021: The California Supreme Court denies Bayer’s request to review the Johnson case, letting the reduced $20.5 million verdict stand.

• January 2024: A Philadelphia jury awards John McKivison $2.25 billion, finding his NHL was caused by Roundup. This verdict is later drastically reduced by a judge to $404 million.

• December 2023: In Philadelphia, a plaintiff wins a $3.5 million Roundup verdict, including $3 million in punitive damages.

• January 2024: Lead plaintiffs’ firms in the Roundup MDL revise their request for common benefit fees to $20.23 million, allocating 81 percent to themselves, leading to objections from other firms.
• Recent Developments (Post-November 2023): While Philadelphia had been a significant venue for Roundup trials, no new trials have been scheduled there since November 2023, although around 430 cases remained pending. Plaintiffs’ firms are actively pursuing cases in other jurisdictions, securing a $2 billion verdict in Georgia and confidential settlements in Chicago and New York. Future trials are expected in St. Louis and Chicago in 2024. The Philadelphia court may be awaiting appellate rulings on key issues like federal preemption before resuming trials.

The Roundup litigation has revolved around several critical issues:

• Causation

Plaintiffs argue that glyphosate in Roundup causes NHL, presenting scientific and epidemiological evidence to support their claims.

• Failure to Warn

Plaintiffs contend that Monsanto was aware of the potential cancer risks associated with Roundup but failed to provide adequate warnings to consumers.

• Federal Preemption

Bayer has argued that federal labeling requirements approved by the Environmental Protection Agency (EPA) preempt state law failure-to-warn claims. The courts have been divided on this issue

• Punitive Damages

Juries have often awarded significant punitive damages, finding that Monsanto acted with malice or reckless disregard for consumer safety. These awards have frequently been reduced on appeal.

• Common Benefit Fees

Disputes have arisen among plaintiffs’ law firms regarding the allocation of common benefit fees, which are intended to compensate firms that contribute to the overall success of the MDL.

Despite significant settlements, the Roundup litigation continues to evolve. Tens of thousands of cases remain pending, and new trials are being scheduled across the country. Appellate rulings on key legal issues will likely shape the future landscape of this litigation. The debate over the safety of glyphosate and the responsibility of manufacturers to warn consumers about potential risks remains central to these ongoing legal battles.

Navigating the complexities of mass tort litigation like the Roundup cases requires experienced support. At Verus LLC, we provide comprehensive case management services, including settlement administration, medical record review, and lien resolution. Our technology-driven solutions and industry expertise empower law firms to streamline operations, optimize efficiency, and focus on achieving the best outcomes for their clients.

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