Some brand names, trade names, slogans, and phrases may be entitled to protection under the general rules of law relating to unfair competition, or they may be entitled to protection and registration under the provisions of state or federal trademark laws. The federal trademark statute covers trademarks and service marks—those words, phrases, symbols, or designs that identify the source of the goods or services of one party and distinguish them from those of others. The Copyright Office has no role in these matters.