Liability in burn injury cases is typically established by proving negligence, which involves showing that the responsible party failed to meet a duty of care, directly leading to the injury. Evidence such as eyewitness testimony, expert analysis, and accident scene documentation plays a crucial role in these cases. Additionally, the context in which the injury occurred, whether it was a workplace accident, car accident, or due to faulty products, will influence the determination of liability. A lawyer familiar with the intricacies of California law can guide you through this complex process.