TRADEMARK

[noun] [C] - a name or a symbol which is put on a product to show that it is made by a particular producer. The product cannot be legally made by any other producer, and the name or symbol cannot be legally used by any other producer.Velcro is a registered trademark.(figurative) He was wearing one of the brightly coloured ties that are his trademark (= typical of him).(figurative) She gave one of her trademark (= typical) smiles.