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	042-3028	亲子鉴定领域的技术研究	Technological research in the field of paternity testing
42	042-3029	车联网（IoV）领域的技术研究	Technological research in the field of Internet of Vehicles (IoV)
42	042-3030	提供临时使用用于创建、修改和共享虚拟商品图像文件的不可下载在线软件	Providing temporary use of online non-downloadable software for creating, modifying, and sharing image files of virtual goods
42	042-3031	提供临时使用用于创建、修改和共享虚拟商品图像文件的不可下载在线软件，即{指明商品类型，例如太阳镜、珠宝、家具等}	Providing temporary use of online non-downloadable software for creating, modifying, and sharing image files of virtual goods, namely, {specify type of goods, e.g., sunglasses, jewelry, furniture, etc.}
42	042-3032	{指明待校准物品，例如车辆传感器、医疗诊断阵列、秤等}校准	Calibration of {specify items to be calibrated, e.g., vehicle sensors, medical diagnostic arrays, scales, etc.}
42	042-3033	提供用于铸造非同质化代币（NFT）的不可下载在线软件	Providing online non-downloadable software for minting non-fungible tokens (NFTs)
42	042-3034	油气井封堵和弃井领域的工程服务	Engineering services in the field of plug and abandonment for oil and gas wells
42	042-3035	磁悬浮领域的技术研究	Technological research in the field of magnetic levitation
42	042-3036	页岩气开采领域的技术研究	Technological research in the field of shale gas extraction
42	042-3037	无线电动汽车充电领域的技术研究	Technical research in the field of wireless electric vehicle charging
42	042-3038	页岩气勘探	Shale gas prospecting
42	042-3039	临床外科研究	Clinical surgery research
42	042-3040	自闭症领域的医学研究	Medical research in the field of autism
42	042-3041	遗传病领域的研究	Research in the field of genetic diseases
42	042-3042	微生物学研究	Microbiology research
42	042-3043	生物信息学领域的研究	Research in the field of bioinformatics
42	042-3044	与建筑相关的计算机辅助设计服务	Computer aided design services relating to architecture
42	042-3045	加密货币质押服务，即提供用于在区块链上验证加密货币交易数据的不可下载在线计算机软件平台	Cryptocurrency staking services in the nature of providing online non-downloadable computer software platforms for validating cryptocurrency transaction data on blockchains
42	042-3046	诊断计算机数据库问题类故障排除	Troubleshooting in the nature of diagnosing problems with computer databases
42	042-3047	计算机数据库软件应用程序故障排除	Troubleshooting of computer database software applications
42	042-3048	提供去中心化金融（DeFi）领域的技术信息	Providing technology information in the field of decentralized finance (DeFi)
42	042-3049	人工智能（AI）领域的研究	Research in the field of artificial intelligence (AI)
42	042-3050	人工智能（AI）技术领域的研究	Research in the field of artificial intelligence (AI) technology
42	042-3051	邮票鉴定	Authentication of stamps
42	042-3052	数据处理系统设计	Design of data processing systems

US Trademark Classification

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