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	042-3303	食品和饮料领域的研究	Research in the field of food and beverages
42	042-3304	食品领域的研究	Research in the field of food
42	042-3305	饮料领域的研究	Research in the field of beverages
42	042-3306	{指明，例如制动器、底盘、发动机等}汽车测试	Testing of automobile {indicate, e.g., brakes, chassis, engines, etc.}
42	042-3307	提供基于人工智能（AI）、用于{指明功能，例如接听电话、预订旅行、安排商务会议等}的不可下载在线虚拟助理软件	Providing online non-downloadable virtual assistant software using artificial intelligence (AI) for {indicate function, e.g., answering phone calls, making reservations for travel, scheduling business meetings, etc.}
42	042-3308	以基于人工智能、用于创建和集成计算机模型的软件为特色的人工智能即服务（AIAAS）服务	Artificial intelligence as a service (AIAAS) services featuring software using artificial intelligence for creating and integrating computer models
42	042-3309	提供用于保险数据分析的不可下载在线软件	Providing online non-downloadable software for insurance data analysis
42	042-3310	以基于人工智能、用于创建复杂数据科学分析的软件为特色的人工智能即服务（AIAAS）服务	Artificial intelligence as a service (AIAAS) services featuring software using artificial intelligence for creating complex data science analyses
42	042-3311	以用于管理工资单的软件为特色的软件即服务（SAAS）服务	Software as a service (SAAS) services featuring software for use in managing payroll
42	042-3312	环境技术领域的建议服务	Advisory services in the field of environmental technology
42	042-3313	环境技术领域的咨询服务	Consultancy services in the field of environmental technology
42	042-3314	环境技术领域的信息服务	Information services in the field of environmental technology
42	042-3315	科学研究方面的咨询	Scientific research consultancy
42	042-3316	农业灌溉领域的科学研究咨询	Scientific research consultancy in the field of agricultural irrigation
42	042-3317	使用区块链技术为加密货币交易提供用户身份验证服务	User authentication services using blockchain technology for cryptocurrency transactions
42	042-3318	提供临时使用用于收发加密货币的不可下载在线软件	Providing temporary use of online non-downloadable software for sending and receiving cryptocurrency
42	042-3319	提供临时使用用于实施由多个交互智能体组成的多智能体系统的不可下载在线软件	Providing temporary use of online non-downloadable software for implementing multi-agent systems comprised of multiple interacting intelligent agents
42	042-3320	提供临时使用用于处理电子支付的不可下载在线软件	Providing temporary use of online non-downloadable software for processing electronic payments
42	042-3321	提供临时使用用于处理电子支付的不可下载在线软件	Provision of temporary use of online non-downloadable software for processing electronic payments
42	042-3322	以基于人工智能、用于数据探索的软件为特色的人工智能即服务（AIAAS）服务	Artificial intelligence as a service (AIAAS) services featuring software using artificial intelligence for data exploration
42	042-3323	以基于人工智能、用于数据评估的软件为特色的人工智能即服务（AIAAS）服务	Artificial intelligence as a service (AIAAS) services featuring software using artificial intelligence for data assessment
42	042-3324	以基于人工智能、用于数据分析的软件为特色的人工智能即服务（AIAAS）服务	Artificial intelligence as a service (AIAAS) services featuring software using artificial intelligence for data analytics
42	042-3325	以基于人工智能、用于商业分析的软件为特色的人工智能即服务（AIAAS）服务	Artificial intelligence as a service (AIAAS) services featuring software using artificial intelligence for business analytics
42	042-3326	以用于发票管理的软件为特色的软件即服务（SAAS）服务	Software as a service (SAAS) services featuring software for invoice management
42	042-3327	硅光子芯片制造领域的技术研究	Technical research in the field of silicon photonic chip manufacturing

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