A word, name, symbol, or device or any combination thereof used to identify and distinguish goods or services and to indicate their source. A mark used on or in the sale of goods is known as a trademark. A mark used in the sale of services is known as a service mark. A mark used by a collective group is known as a collective mark. 15 USC

This term has several acceptations. 1. It is a sign traced on paper or parchment, which stands in the place of a signature, usually made by persons who cannot write. A mark is now held to be a good signature, though the party was able to write. It is the sign, writing or ticket put upon manufactured goods to distinguish them from others. Mark or marc, denotes a weight used in several parts of Europe, and for several commodities, especially gold and silver. When gold and silver are sold by the mark, it is divided into twenty-four carats. Mark is also in England a money of accounts, and in some other countries a coin. The English marc is two-thirds of a pound sterling and the Scotch mark is of equal value in Scotch money of account.