California Chamber of Commerce v. Council for Education and Research on Toxics, No. 21-15745 (9th Cir. 2022)
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CalChamber filed suit, 42 U.S.C. 1983, to “vindicate its members’ First Amendment rights to not be compelled to place false and misleading acrylamide warnings on their food products.” The district court entered a preliminary injunction, prohibiting the Attorney General and related entities, including private enforcers from pursuing new lawsuits to enforce Proposition 65's requirement that “[n]o person in the course of doing business shall knowingly and intentionally expose any individual to a chemical known to the state to cause cancer . . . without first giving clear and reasonable warning.”
The Ninth Circuit affirmed. CalChamber was likely to succeed on the merits of its compelled speech claim. Given the robust disagreement by reputable scientific sources over whether acrylamide in food causes cancer in humans, the warning was controversial and misleading. Proposition 65’s enforcement regime created a heavy litigation burden on manufacturers who use alternative warnings rather than the regulatory safe harbor warning. The serious constitutional issue provided sufficient reason to enjoin Proposition 65 acrylamide litigation until the case was finally decided; the injunction was not an impermissible prior restraint. CalChambers established irreparable harm, and the scope of the injunction was not impermissible; and the balance of hardships weighed in CalChamber’s favor. The injunction was in the public interest.