Epoxy resin is not as scratch resistant as other materials, such as glass or metal. However, it can still be scratched hard enough. Epoxy countertops can easily last 10 or more years with proper care. Epoxy countertops won't scratch and are resistant to most causes of counter damage.
They will definitely outlast laminate countertops and similarly priced products. Fortunately, floor covering epoxies are resistant to a wide variety of household chemicals, solvents, and even acids.