Nolo's Plain-English Law Dictionary

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Commerce: 1) the sale or exchange of commodities, property, or services, typically involving transportation from place to place. 2) As defined by the Lanham Act, trade that the federal government is authorized to regulate, typically trade across interstate lines. To qualify for federal trademark protection and registration, a mark must have first been used in commerce.

LA-WS6:DRU.1.4.1.130427.19500