litigation

WASHINGTON — The Supreme Court sided with the maker of the Roundup weedkiller Thursday in a ruling expected to block thousands of lawsuits alleging it failed to warn people the product could cause cancer.

The case came before the justices after a tidal wave of litigation that included some multibillion-dollar verdicts against the global agrochemical manufacturer Bayer, which acquired Roundup when it bought its original manufacturer Monsanto in 2018.

The decision is a victory for the Trump administration, but one that could be tricky politically since allies in the Make America Healthy Again movement want to rein in pesticide use.

The high court, in a 7-2 ruling, found that the company can’t be sued in state courts because federal regulations have found a cancer link unlikely and do not require a warning label.

The decision “is good for science, farmers, and industries that depend on regulatory clarity for innovation,” Bayer said in a statement. “It should help significantly contain the Roundup litigation after nearly a decade of legal battles.”

Though Bayer said the ruling should result in the dismissal of pending lawsuits containing failure-to-warn allegations, the company said it plans to proceed with a proposed $7.25 billion class-action settlement intended to resolve many of the remaining claims.

Lawyers for some residents pursuing Roundup litigation criticized the court’s decision.

“This Supreme Court ruling wrongly slams the courthouse door on Americans sickened by pesticides,” said attorney Christopher Seeger, who is proposed as a claimants’ representative in the settlement. But he said a settlement still would allow some people to receive compensation.

The case before the Supreme Court was filed by Missouri resident John Durnell. He developed a cancer called non-Hodgkin’s lymphoma after more than 20 years of serving as the neighborhood association’s “spray guy,” using Roundup on parks in his historic St. Louis community.

A jury agreed that the company failed to warn him about possible cancer dangers and awarded him $1.25 million. It’s one of thousands of similar cases, including some multibillion-dollar damage awards.

There’s still fierce debate about cancer and Roundup’s key ingredient, glyphosate. The World Health Organization’s International Agency for Research on Cancer classified the chemical as “probably carcinogenic” in 2015. The Environmental Protection Agency has determined that it’s not likely to cause cancer in humans when used as directed.

The agency approved a label without a cancer warning, and Bayer argues that it’s required to follow those federal standards — not the state laws that Durnell and others have sued under. The ruling still could allow other suits alleging problems with the way the product was designed, his attorney Ashley Keller has said.

Bayer disputes the cancer claims but previously set aside $16 billion to settle cases, and earlier this year proposed a $7.25 billion class-action settlement. A federal judge recently ruled that the proposed settlement will be heard in a Missouri state court, where many of the lawsuits have been filed. At the same time, the company has tried to persuade states to pass laws shielding it from liability in failure-to-warn lawsuits, and three states have agreed.

About 200,000 Roundup-related claims have been made against Bayer, mostly from home users. It has stopped using glyphosate in Roundup sold in the U.S. residential lawn and garden market.

The company has said it might have to consider pulling glyphosate from U.S. agricultural markets if it keeps getting sued. Agricultural industry group say could have a devastating effect on the food supply.

But pesticides have also created a rift between the Trump administration and members of Health Secretary Robert F. Kennedy’s MAHA movement, adding to their frustration with an executive order aimed at boosting glyphosate’s production.

Kennedy himself has said repeatedly that glyphosate causes cancer, even as he says he recognizes the executive order was necessary for food supply and national security reasons.

Whitehurst writes for the Associated Press. AP writer David A. Lieb in Jefferson City, Mo., contributed to this report.

California voters are deeply divided over the trustworthiness of state elections heading into Tuesday’s primary, with most Democrats but less than half of Republicans expressing confidence in the electoral process, according to a new poll.

The polarized view follows a years-long campaign by President Trump and his Republican allies to question the legitimacy of American elections, especially in California and other blue states. It also follows robust efforts from liberal leaders, elections officials and voting rights experts to denounce Trump’s claims as baseless.

Overall, registered voters in the state — which skews heavily Democratic — expressed confidence in local election officials by a 2-to-1 margin, with 65% expressing confidence and 31% expressing a lack of confidence, according to the poll released Tuesday by the UC Berkeley Institute of Governmental Studies and co-sponsored by The Times.

However, those figures shift dramatically when sorted by political party, and even more when parsed by partisan leaning.

For example, 79% of Democratic voters expressed confidence in local officials running a secure and fair election, compared to 62% of independent voters and 42% of Republican voters, the poll found.

While 82% of voters who identified as strongly liberal expressed confidence, just 38% of voters who identified as strongly conservative did so.

A volunteer assists Melani Hurwitz at a polling location Monday at the Cal State Long Beach Walter Pyramid.

(Eric Thayer / Los Angeles Times)

“It’s clearly a partisan issue, and it is being promoted by the president and others who are his followers,” said Mark DiCamillo, the director of Berkeley IGS polls. “Strong conservatives and the Republicans are the least confident, and a lot of them are saying [they are] not at all confident. That’s a pretty extreme statement.”

Rick Hasen, an election law expert and director of the Safeguarding Democracy Project at UCLA Law, said he expected Republican confidence to be even lower given Trump’s decade of undermining trust in elections, especially in liberal, diverse states such as California. But he said neither Trump’s narrative nor public sentiment about election security — which generally shows voters are more confident “when their side wins” — reflects reality, which is that “our elections are administered well.”

“There’s very little evidence of manipulation or of fraud or even of incompetence,” Hasen said. “Anyone who looks objectively would see that there are numerous safeguards to ensure we have free and fair elections in California.”

Trump has long contended without evidence that voter fraud is pervasive among undocumented immigrants and in states, such as California, that use mail ballots, and blamed his 2020 loss to Joe Biden on such fraud despite experts rejecting the claim and Trump’s own allies and lawyers being unable to prove it.

A voter casts their vote inside the Westchester Family YMCA Annex on Monday.

(Kayla Bartkowski / Los Angeles Times)

Since returning to the White House last year, Trump has tried to implement strict new requirements for voter ID and proof of citizenship and to limit or bar mail-in voting, and called for greater federal or Republican Party control over state-run elections. In February, he said that “Republicans ought to nationalize the voting” in “at least 15 places” where they lose.

On Saturday, Trump falsely claimed that California doesn’t have any voting booths and only accepts mail ballots.

Democratic leaders, elections experts and voting rights advocates have all pushed back. They’ve backed their assurances that the state’s elections are safe with lawsuits to block Trump’s efforts to assert federal control. They also warn that his administration may try to intervene anyway, including by sending federal immigration agents to polling locations or intercepting or invalidating mailed ballots.

When Trump issued an executive order in March 2025 purporting to require voters to provide proof of citizenship, California sued, with a court blocking the policy while the litigation continues. When the Justice Department sued California Secretary of State Shirley Weber in September for refusing to hand over the state’s voter rolls, California won a dismissal in court. When Trump issued another executive order this March directing the U.S. Postal Service to take control of mail balloting, California sued again. That litigation is ongoing.

Last week Gov. Gavin Newsom signed a bill barring federal agents and other law enforcement from interfering with local and state elections officials or confiscating ballots, voter rolls or voting machines without a warrant. Newsom said California voters were experiencing “legitimate anxiety” over election integrity given the threats from the Trump administration and the recent actions of Riverside County Sheriff Chad Bianco — a MAGA-backed Republican candidate for governor who recently seized hundreds of thousands of ballots as part of what he said was an investigation into potential fraud in last year’s election.

An election worker collects extracted vote by mail ballots to be tallied at the Los Angeles County Registrar-Recorder/County Clerk Ballot Processing Center in City of Industry.

(Gary Coronado / For The Times)

Newsom said he expects Trump to interfere with the upcoming election as well because “every single thing that Donald Trump is saying only suggests that he will do more, not less, to intimidate and to impact the outcome of this election,” but that the state stands ready to respond.

California Atty. Gen. Rob Bonta last week said that his office is preparing for “all different types of scenarios” involving federal interference, from ballots being seized to immigration agents showing up at polling locations.

“We are currently monitoring any potential risks or threats, and we’re ready for any possibility,” he said.

Sen. Alex Padilla (D-Calif.) last week blasted the U.S. Postal Service for issuing a proposed rule to implement Trump’s mail ballot changes, despite the ongoing litigation. In April, Rep. Nancy Pelosi (D-San Francisco) helped convene a pair of “shadow hearings” in California where fellow House Democrats and a panel of experts shot down Trump’s claims about widespread fraud and expressed confidence in state elections.

A Berkeley IGS Poll from a year ago found that California voters support requiring first-time voters to show ID to prove citizenship in order to register, and that most supported requiring a government ID every time a voter casts a ballot. However, another Berkeley IGS Poll from last month found that strong majorities of California voters believe American democracy is under attack or being “tested.”

Dean Logan, head of the L.A. County registrar-recorder/county clerk’s office, said that overall confidence, “despite a sometimes volatile state and national narrative,” was “gratifying.”

“Election officials take connection to their community seriously. We recognize that our job is to facilitate their voting experience, and that voter participation is key to election security,” Logan said. “Regardless of party affiliation, our role as election officials focuses on the function and process of ensuring the voice of the electorate is heard and that compliance with the election laws adopted in our state is achieved.”

Jesse Salinas, president of the California Assn. of Clerks and Elections Officials and the registrar of voters in Yolo County, said local elections officials are “proud to be a steady source of trust at a consequential moment,” and stand ready to “open our doors to any voter who wants to see firsthand how our elections work and to answer any questions they may have.”

Times staff writer Iris Kwok contributed to this report.