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	042-3203	分析和评估辐照食品以检测辐射处理	Analyzing and evaluating irradiated food to detect radiation treatment
42	042-3204	自然语言生成计算机软件领域的研究	Research in the field of computer software for natural language generation
42	042-3205	自然语言生成计算机软件设计和开发	Design and development of computer software for natural language generation
42	042-3206	信息加密服务	Message encryption services
42	042-3207	为他人加密信息	Message encryption for others
42	042-3208	为他人加密信息	Encryption of messages for others
42	042-3209	生物质回收领域的研究和开发	Research and development in the field of recycling biomass
42	042-3210	田径跑道设计	Design of athletic tracks
42	042-3211	跑道设计	Design of running tracks
42	042-3212	赛道设计	Design of racetracks
42	042-3213	微生物研究	Microbiological research
42	042-3214	甲烷化装置研究和开发	Research and development of methanation installations
42	042-3215	厌氧过程生物研究	Biological research of anaerobic processes
42	042-3216	自然语言生成软件领域的研究	Research in the field of software for natural language generation
42	042-3217	自然语言生成软件设计和开发	Design and development of software for natural language generation
42	042-3218	人工智能（AI）软件领域的研究	Research in the field of artificial intelligence (AI) software
42	042-3219	用于{指明功能，例如预订餐馆、预约医生等}的人工智能（AI）软件领域的研究	Research in the field of artificial intelligence (AI) software for {indicate function, e.g., making restaurant reservations, scheduling doctor's appointments, etc.}
42	042-3220	人工智能（AI）软件设计和开发	Design and development of artificial intelligence (AI) software
42	042-3221	用于{指明功能，例如预订餐馆、预约医生等}的人工智能（AI）软件设计和开发	Design and development of artificial intelligence (AI) software for {indicate function, e.g., making restaurant reservations, scheduling doctor's appointments, etc.}
42	042-3222	使用人工智能的软件的研究、设计和开发	Research, design and development of software using artificial intelligence
42	042-3223	为他人创建、设计和维护网页	Creating, designing and maintaining webpages for others
42	042-3224	为他人创建网页	Creating webpages for others
42	042-3225	为他人设计网页	Designing webpages for others
42	042-3226	为他人维护网页	Maintaining webpages for others
42	042-3227	网页创建、设计和维护服务	Webpage creation, design and maintenance services

US Trademark Classification

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