What specific anti-competitive practice does Latham Quality allege Bayer used to maintain its monopoly over NK603 corn seeds after the patent expired?

Latham Quality alleges that Bayer prohibited independent seed companies from using its genetic seed material to develop competing generic corn products even after the patent on NK603 expired in 2022, and continued charging royalties and raising licensing fees — conduct the lawsuit claims directly prevented viable competition despite sustained demand for NK603.

According to the lawsuit, how did Bayer respond when Latham Quality attempted to develop its own corn seeds competing with Bayer's products?

When Latham began working on its own corn seeds to compete with Bayer’s products, a Bayer representative warned it to 'stay 100% loyal to Bayer,' and when Latham did not stop its efforts, Bayer sales representatives retaliated by using non-public information to steal Latham’s business.

Bayer Sued for Allegedly Monopolizing US Market for GMO Corn Seeds

May 27, 2026

Latham Quality sued Bayer for allegedly monopolizing the U.S. GMO corn seed market via anti-competitive practices regarding NK603 traits. Bayer denies the claims, maintaining its agricultural markets remain competitive despite ongoing legal scrutiny.

reuters

2026-05-27

Bayer Sued for Allegedly Monopolizing US Market for GMO Corn Seeds

Bayer Sued for Allegedly Monopolizing US Market for GMO Corn Seeds

FAQ