"A certification mark on a commercial product or service is a registered mark that enables its owner ("certification body") to certify that the goods or services of a particular provider (who is not the owner of the certification mark) have particular properties, e.g., regional or other origin, material, quality, accuracy, mode of manufacture, being produced by union labor, etc. The standards to which the product is held are stipulated by the owner of the certification mark.
There are essentially three general types of certification marks:
The term "certification mark" is very recent, so while discussing historical certification marks, terms "guild sign", "quality mark", "hallmark", and "trade mark" are used by researchers." - (en.wikipedia.org 12.01.2024)
en
