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	042-3328	硅光子芯片制造领域的技术研究	Technical research in the field of manufacturing silicon photonic chips
42	042-3329	以用于工时表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 time sheet management
42	042-3330	以用于工时表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 timesheet management
42	042-3331	以用于跟踪员工工作时数、带薪休假、病假和节假日的软件为特色的软件即服务（SAAS）服务	Software as a service (SAAS) services featuring software for tracking employee hours worked, paid time off, sick leave, and holidays
42	042-3332	以用于项目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 project management
42	042-3333	以用于应用程序和数据库集成的软件为特色的软件即服务（SAAS）服务	Software as a service (SAAS) services featuring software for application and database integration
42	042-3334	使用区块链技术对艺术品领域的数据进行验证	Authentication of data in the field of works of art using blockchain technology
42	042-3335	小汽车车轮测试	Car wheel testing
42	042-3336	汽车车轮测试	Automobile wheel testing
42	042-3337	机动车车轮测试	Automotive wheel testing
42	042-3338	提供临时使用用于语言翻译的不可下载在线计算机软件	Provision of temporary use of online non-downloadable computer software for language translation
42	042-3339	以用于项目管理和排程的软件为特色的软件即服务（SAAS）服务	Software as a service (SAAS) services featuring software for project management and scheduling
42	042-3340	以基于人工智能、用于开发数据科学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 developing data science models
42	042-3341	以基于人工智能、用于设计数字广告用定制算法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 designing custom algorithms for use in digital advertising
42	042-3342	地图导航软件设计	Design of map navigation software
42	042-3343	计算机平台托管	Hosting of computer platforms
42	042-3344	计算机平台开发和托管	Development and hosting of computer platforms
42	042-3345	提供临时使用基于人工智能（AI）、用于控制{指明，例如恒温器、交通信号灯等}的不可下载在线软件	Providing temporary use of online non-downloadable software using artificial intelligence (AI) for controlling {indicate, e.g., thermostats, traffic lights, etc.}
42	042-3346	提供临时使用基于人工智能（AI）、用于自动化{指明，例如数据录入、发票处理、会议转录等}的不可下载在线软件	Providing temporary use of online non-downloadable software using artificial intelligence (AI) for automating {indicate, e.g., data entry, invoice processing, meeting transcription, etc.}
42	042-3347	提供基于人工智能（AI）、用于机器学习的不可下载在线软件	Providing online non-downloadable software using artificial intelligence (AI) for machine learning
42	042-3348	以用于通过跟踪、管理和分析项目人工、项目时间、项目合规性和任务时间估算进行项目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 use in project management through tracking, managing and analysing project labour, project time, project compliance, and task time estimates
42	042-3349	库存跟踪计算机软件设计和开发	Design and development of computer software for tracking inventory
42	042-3350	供应链管理计算机软件设计和开发	Design and development of computer software for supply chain management
42	042-3351	用于同步多张地理地图数据的计算机软件设计和开发	Design and development of computer software for synchronizing data from more than one geographical map
42	042-3352	以用于监测不动产市场价值并生成定制报告的软件为特色的软件即服务（SAAS）服务	Software as a service (SAAS) services featuring software for monitoring market value of real property and creating customized reports

US Trademark Classification

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