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	042-3503	计算机编程领域的咨询	Consultancy in the field of computer programming
42	042-3504	使用信息技术创建和设计基于网站的信息索引	Creating and designing website-based indexes of information using information technology
42	042-3505	通过网站提供天气信息	Provision of weather information via a website
42	042-3506	提供天气信息	Provision of weather information
42	042-3507	通过网站提供气象信息	Provision of meteorological information via a website
42	042-3508	提供气象信息	Provision of meteorological information
42	042-3509	RNA干扰技术领域的研究	Research in the field of RNA interference technology
42	042-3510	通过互联网对在线购物信用卡使用进行电子监控以发现欺诈	Electronic monitoring of credit card use for online purchasing to detect fraud via the internet
42	042-3511	数据处理软件工程领域的咨询	Consultancy in the field of software engineering for data processing
42	042-3512	软件工程领域的咨询	Consultancy in the field of software engineering
42	042-3513	生物塑料技术领域的研究	Research in the field of bioplastics technology
42	042-3514	提供井眼测绘服务	Provision of wellbore mapping services
42	042-3515	溪流水质监测	Stream water quality monitoring
42	042-3516	溪流水质监测服务	Stream water quality monitoring services
42	042-3517	提供实时气象信息	Providing real-time meteorological information
42	042-3518	提供实时天气信息	Provision of real-time weather information
42	042-3519	提供实时气象信息	Provision of real-time meteorological information
42	042-3520	纳米技术开发领域的咨询	Consultancy in the field of nanotechnology development
42	042-3521	药物基因组学领域的科学研究	Scientific research in the field of pharmacogenomics
42	042-3522	智能手机屏下指纹识别领域的技术研究	Technological research in the field of smartphone screen fingerprint recognition
42	042-3523	为确定母亲关系提供DNA分析服务	DNA analysis services to determine maternity
42	042-3524	为确定母亲关系进行DNA分析	DNA analysis to determine maternity
42	042-3525	DNA测序技术领域的研究	Research in the field of DNA sequencing technology
42	042-3526	数据转换（物理转换除外）	Conversion of data, other than physical conversion
42	042-3527	计算机程序转换（物理转换除外）	Conversion of computer programmes, other than physical conversion

US Trademark Classification

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