In order to win a premises liability case, you must prove that the conditions were hazardous and ultimately led to severe injury or death. In other words, you must prove that the property owner was negligent in such a way that resulted in a severe injury. Moreover, you will have to confirm the severity of the injury. You will need to prove that the injury is serious and will cause complications for months or years to come. Finally, you must also confirm that the property owner caused or was aware of the defect and failed to repair it or protect the injured party.