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	042-2440	提供临时使用用于制作音乐视频的不可下载计算机软件	Providing temporary use of non-downloadable computer software for creating music videos
42	042-2441	为第三方管理网站	Administration of websites for third parties
42	042-2442	宝石鉴定	Authenticating gemstones
42	042-2443	古董鉴定	Authenticating antiques
42	042-2444	钻石鉴定	Authenticating diamonds
42	042-2445	半宝石鉴定	Authenticating semi-precious gemstones
42	042-2446	纸币鉴定	Authenticating banknotes
42	042-2447	慈善服务，即提供视频游戏开发设施和设备	Charitable services, namely, providing facilities and equipment for video game development
42	042-2448	慈善服务，即提供平面设计设施和设备	Charitable services, namely, providing facilities and equipment for graphic design
42	042-2449	慈善服务，即提供计算机编程设施和设备	Charitable services, namely, providing facilities and equipment for computer programming
42	042-2450	广告宣传材料的平面设计	Graphic design of promotional materials
42	042-2451	{指明领域或主题，例如计算机硬件系统、可再生能源资源等}领域的技术研究	Technological research in the field of {indicate field or subject matter, e.g., computer hardware systems, renewable energy resources, etc.}
42	042-2452	计算机平台的开发	Development of computer platforms
42	042-2453	名片设计	Business card design
42	042-2454	自然灾害领域的科学和技术研究	Scientific and technological research in the field of natural disasters
42	042-2455	石油、天然气和矿业领域的勘探服务	Exploration services in the field of the oil, gas and mining industries
42	042-2456	关于专利地图的科学和技术研究	Scientific and technological research relating to patent mapping
42	042-2457	建筑领域的研究	Research in the field of building construction
42	042-2458	城市规划领域的研究	Research in the field of city planning
42	042-2459	电信技术领域的研究	Research in the field of telecommunications technology
42	042-2461	出租实验室机器人	Rental of laboratory robots
42	042-2462	出租具有人工智能（AI）的人形机器人	Rental of humanoid robots with artificial intelligence (AI)
42	042-2463	出租技术绘图仪器	Rental of technical drawing instruments
42	042-2464	提供临时使用用于{指明应用功能，例如加密货币交易、云数据存储、网页浏览等；如软件针对特定内容或领域，指明使用领域}的不可下载网络去中心化应用（DApp）	Providing temporary use of non-downloadable web-based decentralized applications (DApps) for {specify the function of the applications, e.g., cryptocurrency trading, cloud storage of data, web browsing, etc. and, if software is content- or field-specific, the field of use}
42	042-2465	珠宝鉴定	Authenticating jewelry