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Economy
Bayer Sued for Allegedly Monopolizing US Market for GMO Corn Seeds
Bayer is facing a federal lawsuit for allegedly using illegal practices to dominate the U.S. market for genetically engineered corn seeds, with claims of earning billions through anti-competitive behavior.
May 28, 2026, 1:23 PM | 3 min read | By Wadi News Editorial Team

Bayer, the German pharmaceutical and chemical giant, has been sued for allegedly monopolizing the U.S. market for genetically modified corn seeds. The lawsuit, filed by Latham Quality, a family-owned seed company from Iowa, claims that Bayer has engaged in illegal and anti-competitive practices that have allowed it to dominate this crucial agricultural sector. According to the lawsuit, Bayer has reaped hundreds of millions, if not billions, of dollars through these practices, which have raised costs for farmers and stifled competition in the seed industry.
The U.S. seed market is highly concentrated, and the lawsuit comes at a time when the Trump administration has expressed intentions to address anti-competitive behaviors in food supply chains. Latham alleges that Bayer's actions have not only harmed independent seed companies but have also negatively impacted U.S. crop farmers, who are already struggling with rising costs of seeds, fuel, and fertilizer. The lawsuit highlights the challenges faced by farmers as they navigate a market where Bayer allegedly controls prices and limits competition.
In its defense, Bayer has stated that it believes the allegations lack merit and insists that it competes fairly within the agricultural sector. The company argues that the corn seed market is competitive and diverse, countering claims made by Latham. Bayer's legal troubles are compounded by its ongoing battles related to its widely used herbicide, Roundup, which has faced thousands of lawsuits alleging links to cancer.
The lawsuit filed by Latham proposes a class action and seeks treble damages for the alleged harm caused by Bayer's monopolistic practices. It claims that Bayer has prevented competitors from developing generic versions of its corn seeds, particularly the NK603 trait that resists Roundup. Despite the expiration of Bayer's patent on NK603 in 2022, the lawsuit asserts that no viable competition has emerged, attributing this to Bayer's anti-competitive conduct. The outcome of this lawsuit could have significant implications for the agricultural industry and the future of seed competition in the U.S.
Background on Bayer's Market Practices

Bayer's acquisition of Monsanto in 2018 significantly expanded its influence in the agricultural sector, particularly in the seed market. The company has faced scrutiny over its pricing strategies and the impact of its products on farmers. The lawsuit by Latham Quality highlights ongoing concerns about monopolistic practices in the seed industry, which has seen a decline in the number of independent seed companies. As Bayer continues to defend its practices, the agricultural community remains watchful of the implications for competition and pricing in the market.
