What is a trade name / commercial name and an emblem?

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Is the denomination that identifies a businessman within the ordinary course of his business. At the same time, the emblem is the way a commercial establishment is identified, and in both cases, different from the other distinctive signs, the rights are acquired by use and shall end when use of the name ceases or when the activities of the undertaking or establishment that uses it cease.

Registration or deposit is declaratory in character.

What is a trade name / commercial name and an emblem?