Mealey's (January 12, 2023, 2:53 PM EST) -- SAN FRANCISCO — Two food companies in a recent appellee brief urge the Ninth Circuit U.S. Court of Appeals to affirm a trial court’s dismissal of putative class claims that they violated California’s unfair competition law (UCL) and other statutes based on the alleged mislabeling of protein content in certain food products, writing that the claims are federally preempted....