US Trademark Classification (Classes 01–45)

Data version: USPTO Trademark ID Manual (Acceptable Identification of Goods and Services), applying the Nice Classification, 13th edition (NCL 13-2026). Official data retrieved on 1 October 2026 and published on this site the same day: 71,543 entries (including 2,932 example entries). Term IDs, classes, English descriptions, status and effective dates follow the USPTO; Chinese terms are J&C reference translations. The "version" shown for each entry is the Nice edition under which it was added or last modified. We synchronise with the USPTO periodically; the next update is planned for January 2027. Translation revision: 13 October 2026. Reviewed Chinese reference notes are available for 6,984 entries; other substantive notes are shown in the official English.

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Class	Item No.	Chinese	English
42	042-2699	量子计算领域的研究	Research in the field of quantum computing
42	042-2700	野生动物管理领域的研究	Research in the field of wildlife management
42	042-2701	电信网络安全咨询	Telecommunication network security consultancy
42	042-2702	通过无人机对{指明，例如地貌、化工设施等}进行热成像测量	Thermographic measurement of {indicate, e.g., landscapes, chemical processing facilities, etc.} by drone
42	042-2703	通过无人机提供地形测量服务	Topographic surveying services by drone
42	042-2704	使用区块链技术为{指明服务应用，例如加密货币交易、在线软件应用程序等}提供用户身份验证服务	User authentication services using blockchain technology for {specify the application of the services, e.g., cryptocurrency transactions, online software applications, etc.}
42	042-2705	视频和电脑游戏开发服务	Video and computer game development services
42	042-2706	制造工艺领域的技术研究	Technological research in the field of manufacturing processes
42	042-2707	牙科研究实验室服务	Dental research laboratory services
42	042-2708	化妆品研究	Cosmetic research
42	042-2709	考古勘探和研究	Archaeological exploration and research
42	042-2710	电学领域的科学研究	Scientific research in the field of electricity
42	042-2711	电学领域的测试服务	Testing services in the field of electricity
42	042-2712	能源领域的科学研究	Scientific research in the field of energy
42	042-2713	可再生能源领域的科学研究	Scientific research in the field of renewable energy
42	042-2714	自然资源领域的地质研究	Geological research in the field of natural resources
42	042-2715	为他人进行临床试验类科学研究	Scientific research in the nature of conducting clinical trials for others
42	042-2716	与护发制剂相关的科学研究	Scientific research relating to hair care preparations
42	042-2717	护发制剂领域的科学研究	Scientific research in the field of hair care preparations
42	042-2718	防止污染领域的测试和研究	Testing and research in the field of preventing pollution
42	042-2719	药物研究领域的咨询服务	Consulting services in the field of pharmaceutical research
42	042-2720	为科学研究目的进行药物筛查	Drug screening for scientific research purposes
42	042-2721	为科学研究目的进行酒精筛查	Alcohol screening for scientific research purposes
42	042-2722	提供医学和科学研究信息	Providing medical and scientific research information
42	042-2723	科学研究咨询	Scientific research consulting