SAN FRANCISCO – Pet owners claim in a federal antitrust class action that Mars Petcare, Nestle Purina, Hill’s Pet Nutrition, Petsmart and others colluded to sell prescription pet food at above-market prices – and the food contains nothing that isn’t also found in nonprescription products.
USDC Northern District of California
Subscribe to our free newsletters
Our weekly newsletter Closing Arguments offers the latest about ongoing trials, major litigation and rulings in courthouses around the U.S. and the world, while the monthly Under the Lights dishes the legal dirt from Hollywood, sports, Big Tech and the arts.

