Under what legal doctrine does a firm bear legal responsibility for injuries caused by something it made or sold, whether or not it was negligent or breached a warranty?Supplier liability.Consumer liability.Strict liability.    Product liability.

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The legal doctrine under which a firm bears legal responsibility for injuries caused by something it made or sold, whether or not it was negligent or breached a warranty, is known as Product Liability.

Here are the steps to understand this:

1. Product Liability: This is a legal concept that holds a company responsible for any damages caused by their products. If a product is defective or dangerous and causes injury to someone, the company is held liable.

2. Strict Liability: This is a sub-category of product liability. It means that a company is held liable for damages, regardless of whether they were negligent or not. The focus here is on the product causing harm, not the actions of the company.

3. Supplier Liability and Consumer Liability: These are not legal doctrines that hold a firm responsible for injuries caused by its products. Supplier liability might refer to a supplier's responsibility in a supply chain, and consumer liability might refer to a consumer's responsibility for using a product safely and as intended.

So, in summary, the legal doctrine that holds a firm responsible for injuries caused by something it made or sold, regardless of negligence or warranty breach, is Product Liability.