Mass tort cases involve numerous plaintiffs injured by the same product, drug, or incident requiring coordinated legal proceedings. Pharmaceutical mass torts from dangerous drugs causing widespread injuries like opioid addiction or undisclosed side effects. Medical device failures affecting thousands of patients with hip replacements, mesh implants, or pacemakers. Environmental disasters like oil spills, chemical plant explosions, or water contamination affecting entire communities. Defective consumer products sold nationwide causing similar injuries to multiple users. Food poisoning outbreaks from contaminated products distributed through major retailers or restaurants. Building material defects like toxic drywall or defective plumbing affecting numerous property owners. Data breaches causing identity theft and financial injuries to large groups of consumers.