If a product defect results in injury or property damage, you may be able to file a product liability claim. If the initial design and blueprint of the product was faulty, then the case involves a design defect.Product defects can take various forms, including design defects, manufacturing defects, and failure to warn defects. Two common examples of design flaws are chain saws, which are not. You should not have custody of the child or the hand of his toy that could cause irritation. Pursuing Justice in Defective Product Cases in Los Angeles. Let Us Be Your Voice. Don't hesitate to call us: (747) 241-8288. An example of a design defect in a car might be an electrical system prone to battery fires or a brake system that stops working at high speeds. A design defect means that a given product was manufactured correctly according to the specifications, but there was something wrong with the design itself.