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	042-845	计算机程序复制	Duplication of computer programs
42	042-843	平面设计服务	Graphic design services
42	042-841	测试、分析和评估砌体和混凝土结构的结构性能	Testing, analyzing and evaluating the structural properties of masonry and concrete structures
42	042-833	卡车称重服务	Truck weighing services
42	042-832	为他人设计和实施电子邮件系统	E-mail system design and implementation for others
42	042-954	农业研究	Agricultural research
42	042-824	提供影响滑雪条件和道路封闭的天气状况信息	Providing weather condition information affecting ski conditions and road closures
42	042-821	监测商业和工业场所以检测挥发性和非挥发性有机化合物	Monitoring of commercial and industrial sites for detection of volatile and non-volatile organic compounds
42	042-820	办公和工作场所自动化领域的咨询服务	Consulting services in the field of office and workplace automation
42	042-819	视频数据处理，即解读视频内容并识别包含预定义关键事件的片段	Processing of video data, namely, interpreting video content and identifying segments that contain predefined key events
42	042-818	计算机安全服务，即限制计算机网络对不良网站、媒体、个人和设施的访问以及这些对象对计算机网络的访问	Computer security service, namely, restricting access to and by computer networks to and of undesired web sites, media and individuals and facilities
42	042-815	为石油行业进行磁共振成像解释和分析	Conducting magnetic resonance imaging interpretation and analysis for the petroleum industry
42	042-813	提供植物遗传学研究资源领域的信息	Providing information in the field of plant genetics research resources
42	042-811	水处理和净化厂、固体废物处理厂及其他市政基础设施建设的工程服务	Engineering services for the construction of water treatment and purification plants, solid waste treatment plants and other municipal infrastructure facilities
42	042-809	温室和收获作物有害生物的综合科学研究	Integrated scientific research on vermin for greenhouses and harvest crops
42	042-808	工具设计	Tool design
42	042-801	原材料检测	Testing of raw materials
42	042-800	过滤器测试	Testing of filters
42	042-8	天文学咨询	Astronomy consultation
42	042-799	技术测量	Technical surveying
42	042-798	航空领域的技术研究	Technical research in the field of aeronautics
42	042-794	测量	Surveying
42	042-792	商店室内设计	Shop interior design
42	042-791	化学合成的实施和评估	Working on and evaluation of chemical syntheses
42	042-790	化学分析的实施和评估	Working on and evaluation of chemical analyses

US Trademark Classification

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