Product liability deals with cases involving defective or unsafe products. Manufacturers, wholesalers, and retailers of products can be held liable for damages [damage] arising from the use of defective products. Products covered by this area of law, include food, drugs, and real estate, as well as virtually all consumer products. The user who is injured [injure, to] and seeks damages does not need to be the original purchaser of the product. Nor does a person seeking damages have to prove negligence in many cases. Product liability frequently is a question of strict liability: that is, if the product is defective and that defect caused [ cause, to] injury, the injured user may sue for damages as long as the product was used as it was meant to be used and not substantially changed from its original condition.