Section 45 of the Trademark Act defines "use in commerce" as a bona fide use of a trademark in the ordinary course of trade. If the mark is used with goods it will be deemed to be used in commerce when the mark is placed on the goods, on the containers of the goods, displays associated with the goods, or on the tags or labels, and if the nature of the goods makes the placement of the mark impracticable, then on documents associated with the goods or its sale. In addition, the goods must be sold or transported in commerce.Regarding services, there must be use of the trademark in connection with the sale or advertising of the services and the services are rendered in commerce. Offering services via the Internet has been held to constitute use in commerce because the services are made available to consumers on a national or international level. An applicant is not required to specify the type of commerce in which the trademark is used in its application.Another important point is that use in commerce must be lawful use. Without lawful use a party cannot establish trademark priority. See CreAgri, Inc. v. USANA Health Sciences, Inc., 474 F.3d 626, 81 U.S.P.Q.2d 1592 (9th Cir. 2007), where the plaintiff was not able to establish priority rights because he failed to comply with labeling requirements of the Food, Drug, and Cosmetic Act. See also In re Midwest Tennis & Track Co., 29 U.S.P.Q.2d 1386, 1993 WL 562977 (TTAB 1993).Moreover, use in commerce will be interpreted with flexibility to account for different industries' practices which may include less traditional uses such as infrequent sales of large or expensive items, test market sales, or ongoing shipments of a new drug to clinical investigators by a company awaiting FDA approval. If a third party is looking to attack a party's use of the mark, often it will be alleged that the use is "token" use, not genuine trademark use, or that the use was de minimis and non commercial in nature. It is clear that the meaning of "use in the ordinary course of trade" will vary from one industry to another.
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