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	042-2826	DNA测序技术研究	DNA sequencing technology research
42	042-2827	提供用于{指明平台用途，例如应用程序开发、网络托管、数据库管理等}的不可下载在线计算机软件平台	Providing online non-downloadable computer software platforms for {indicate purpose of the platforms, e.g., application development, web hosting, database management, etc.}
42	042-2828	提供临时使用不可下载的在线益智游戏软件	Providing temporary use of online non-downloadable puzzle game software
42	042-2829	博客托管	Hosting of blogs
42	042-2831	桑拿房设计	Design of saunas
42	042-2832	提供关于视频游戏设计的信息	Providing information about designing video games
42	042-2833	计算机辅助工业设计服务	Computer aided industrial design services
42	042-2834	牙科生物力学领域的研究	Research in the field of dental biomechanics
42	042-2835	生物力学领域的研究	Research in the field of biomechanics
42	042-2836	口腔修复学研究	Prosthetic dentistry research
42	042-2837	受控核聚变技术领域的研究	Research in the field of controlled nuclear fusion technology
42	042-2838	电动汽车道路适用性测试	Electric car roadworthiness testing
42	042-2839	电动汽车性能测试	Electric car performance testing
42	042-2840	为科学研究目的进行聚合酶链反应（PCR）检测	Polymerase chain reaction (PCR) testing for scientific research purposes
42	042-2841	为医学研究目的进行聚合酶链反应（PCR）检测	Polymerase chain reaction (PCR) testing for medical research purposes
42	042-2842	对机动车进行危险和违禁物品检测和评估	Evaluating and testing of motor vehicles for the presence of hazardous and illegal materials
42	042-2843	计算机软件设计服务	Computer software design services
42	042-2844	地质勘探服务	Geological exploration services
42	042-2845	油田开发分析服务	Analyses services for exploiting oilfields
42	042-2846	用于访问和使用云计算网络的操作软件设计和开发	Design and development of operating software for accessing and using a cloud computing network
42	042-2847	寻找石油和天然气的勘探服务	Exploration services to locate oil and gas
42	042-2848	提供虚拟货币领域的技术信息	Providing technology information in the field of virtual currency
42	042-2849	提供数字货币领域的技术信息	Providing technology information in the field of digital currency
42	042-2850	生物物理学领域的研究	Research in the field of biophysics
42	042-2851	生物无机化学研究	Bioinorganic chemistry research