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	042-3104	提供临时使用用于收集、验证和传输区块链智能合约所用数据和信息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 collecting, verifying, and transmitting data and information for use in blockchain-based smart contracts
42	042-3105	以用于收集、验证和传输区块链智能合约所用数据和信息的软件为特色的软件即服务（SAAS）服务	Software as a service (SAAS) services featuring software for collecting, verifying, and transmitting data and information for use in blockchain-based smart contracts
42	042-3106	向基于区块链的智能合约提供在线实时天气信息	Providing online real-time weather information to blockchain-based smart contracts
42	042-3107	声学测量服务	Acoustic measuring services
42	042-3108	计算机芯片设计	Design of computer chips
42	042-3109	计算机芯片设计服务	Computer chip design services
42	042-3110	建筑物的能源性能测试	Energy performance testing of buildings
42	042-3111	提供地理信息	Providing geographical information
42	042-3112	提供地理信息	Provision of geographic information
42	042-3113	提供地理信息	Provision of geographical information
42	042-3114	提供在线地图（不可下载）	Provision of online geographical maps, not downloadable
42	042-3115	提供在线地图（不可下载）	Provision of online geographic maps, not downloadable
42	042-3116	亲子鉴定	Paternity testing
42	042-3117	为确定亲子关系进行DNA分析	DNA analysis to determine paternity
42	042-3118	由实验室为确定亲子关系进行DNA分析	DNA analysis provided by laboratories to determine paternity
42	042-3119	亲子鉴定DNA实验室分析服务	DNA laboratory analysis services for paternity tests
42	042-3120	由实验室为确定亲子关系提供DNA分析服务	DNA analysis services provided by laboratories to determine paternity
42	042-3121	法医病理检查服务	Forensic pathological examination services
42	042-3122	生物制造实验室服务	Laboratory services for biomanufacturing
42	042-3123	用于药用病毒载体生物制造的实验室服务	Laboratory services for biomanufacturing viral vectors for pharmaceutical use
42	042-3124	用于生物制造{指明生物产品，例如细菌细胞系、肽、酵母等}的实验室服务	Laboratory services for biomanufacturing {indicate biological product, e.g., bacterial cell lines, peptides, yeast, etc.}
42	042-3125	用于生物制造培养离体细胞系的实验室服务	Laboratory services for biomanufacturing cultured ex vivo cell lines
42	042-3126	用于生物制造培养细胞组织的实验室服务	Laboratory services for biomanufacturing cultured cell tissues
42	042-3127	使用生物反应器进行生物制造的实验室服务	Laboratory services using bioreactors for biomanufacturing
42	042-3128	使用发酵进行生物制造的实验室服务	Laboratory services using fermentation for biomanufacturing

US Trademark Classification

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