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	042-1649	为房屋修理和修复目的提供的房屋检查服务	Home inspection services for purposes of home repair and restoration
42	042-1648	以定制网页和其他数据馈送格式提供用户定义信息的计算机服务	Computer services in the nature of customized web pages and other data feed formats featuring user-defined information
42	042-1647	在线抄袭检测服务，即通过互联网对抄袭内容进行电子检测	Online plagiarism detection services, namely, electronic detection of plagiarized content via the Internet
42	042-1646	为{指明主题、领域或行业}进行计算机软件开发、计算机编程和计算机软件维护	Computer software development, computer programming and maintenance of computer software for {indicate subject matter, field or industry}
42	042-1645	计算机服务，即将计算机软件集成到多个系统和网络中	Computer services, namely, integration of computer software into multiple systems and networks
42	042-1644	计算机服务，即抄袭内容的电子检测	Computer services, namely, electronic detection of plagiarized content
42	042-1643	辐射区域测量服务	Radiation area surveying services
42	042-1642	辐射探测和测量仪器的校准	Calibration of radiation detection and measurement instruments
42	042-1641	核密度计的校准	Calibration of nuclear density gauges
42	042-1640	施工检测设备校准	Calibration of construction testing equipment
42	042-1639	信头设计服务	Letterhead design services
42	042-1638	一般健康物理学咨询服务	General health physics consulting services
42	042-1637	计算机服务，即为公用事业及其他机构运营具有宽带传输和能源传输软件的计算机系统和计算机网络	Computer services, namely, operating computer systems and computer networks featuring broadband transmission and energy transmission software for public utilities and others
42	042-1636	鬼屋景点设计服务	Haunted attraction design services
42	042-1635	提供技术和软件开发领域的互联网网站门户	Providing an Internet website portal in the fields of technology and software development
42	042-168	车辆称重	Weighing of vehicles
42	042-1308	焊接和材料连接领域的研究、开发、工程和测试服务	Research, development, engineering and testing services in the fields of welding and material joining
42	042-1307	农用化学品研究服务	Agrochemical research services
42	042-1306	技术支持服务，即诊断医疗设备问题的故障排除	Technical support services, namely, troubleshooting in the nature of diagnosing problems with medical equipment
42	042-1305	为食品和菜单领域的其他人提供产品研发服务	Product research and development services for others in the fields of food products and menus
42	042-1303	为他人提供感官知觉领域的科学研究服务	Scientific research services for others in the field of sensory perceptions
42	042-1302	为他人提供新食品、新菜单领域的设计、开发和测试服务	Design, development, and testing services for others in the fields of new food products and new menus
42	042-1301	提供以互联网内容媒体聚合器和搜索引擎为特色的网站	Providing a website featuring a media aggregator and search engine for internet content
42	042-13	细菌学咨询和研究	Bacteriological consultation and research
42	042-1298	为零售店服务领域的其他人开发新技术	Development of new technology for others in the field of retail store services

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