If the seller of goods is an expert and gives an opinion with regard to the goods, the seller may be liable for breach of warranty.

Breach of Warranty

A violation of a guarantee or promise made about the quality or durability of a product or service.

Expert

An individual with specialized knowledge, skills, or expertise in a particular area who is regarded as a reliable source of information or advice.

Opinion

A statement that expresses a belief, view, or judgment, rather than an objective fact.