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	042-2410	建筑五金测试	Testing of architectural ironmongery
42	042-2407	药品检测	Testing of pharmaceuticals
42	042-2414	与计算机程序有关的技术咨询服务	Technical advisory services relating to computer programs
42	042-2408	化妆品检测	Testing of cosmetics
42	042-2409	化学品测试	Testing of chemicals
42	042-2411	有关机械工程分析的技术咨询服务	Technological advisory services relating to machine engineering analysis
42	042-2398	检查食品企业以确定食品是否符合{指明食品认证标准类型，例如犹太洁食、清真食品、纯素食品、有机食品等}质量认证标准	Inspecting food establishments to determine whether foods conform to {specify type of food certification standards, e.g., kosher, halal, vegan, organic, etc.} quality certification standards
42	042-2307	计算机服务，即对由{指明IT系统的特定组件，例如电子消息设备、软件应用程序等}组成的他人信息技术（IT）系统进行远程管理	Computer services namely remote management of information technology (IT) systems of others comprised of {specify the particular components of the IT systems, e.g., electronic messaging apparatus, software applications, etc.}
42	042-2305	计算机服务，即对由{指明IT系统的特定组件，例如电子消息系统、软件应用程序等}组成的他人信息技术（IT）系统进行现场管理	Computer services, namely, on-site management of information technology (IT) systems of others comprised of {specify particular components of the IT systems, e.g., electronic messaging systems, software applications, etc.}
42	042-1547	提供计算机辅助设计领域信息的互联网门户网站	Providing an Internet website portal offering information in the field of computer-aided design
42	042-851	为他人提供计算机辅助设计	Computer-aided design for others
42	042-2421	电信工程咨询	Telecommunications engineering consultancy
42	042-2422	电气工程领域的器具测试	Testing of apparatus in the field of electrical engineering
42	042-2423	计算机硬件测试	Testing of computer hardware
42	042-2420	计算机系统设计	Computer system design
42	042-2317	油田开采分析	Analysis for oil-field exploitation
42	042-2346	计算机程序和数据的数据转换（非有形转换）	Conversion of computer programs and data, other than physical conversion
42	042-2400	使用单点登录技术为在线软件应用程序提供用户身份验证服务	Providing user authentication services using single sign-on technology for online software applications
42	042-2401	利用生物识别硬件和软件技术为电子商务交易提供用户身份验证服务	Providing user authentication services using biometric hardware and software technology for e-commerce transactions
42	042-2173	计算机技术咨询	Computer technology consultancy
42	042-2175	气象信息	Meteorological information
42	042-2322	提供互联网搜索引擎	Providing search engines for the internet
42	042-2390	计算机软件问题故障排除	Troubleshooting of computer software problems
42	042-591	水下结构检测服务	Underwater structural inspection services
42	042-2399	衣橱设计服务	Closet design services

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