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	042-814	食品研究	Food research
42	042-2403	使用{指明技术，例如单点登录技术、生物识别硬件和软件技术等}为电子商务交易提供用户身份验证服务	Providing user authentication services using {indicate technology, e.g., single sign-on technology, biometric hardware and software technology, etc.} for e-commerce transactions
42	042-2419	软件出版框架下的软件开发	Software development in the framework of software publishing
42	042-2332	机器功能测试	Testing the functionality of machines
42	042-2333	器具和仪器功能测试	Testing the functionality of apparatus and instruments
42	042-2347	使用信息技术为他人创建基于网站的信息索引	Creating website based indexes of information for others using information technology
42	042-2348	使用信息技术为他人设计基于网站的信息索引	Designing website based indexes of information for others using information technology
42	042-2349	使用信息技术为他人创建和设计基于网站的信息索引	Creating and designing website based indexes of information for others using information technology
42	042-2350	手机解锁	Unlocking of mobile phones
42	042-2396	即时通讯软件的设计与开发	Design and development of software for instant messaging
42	042-499	计算机软件开发	Computer software development
42	042-2369	计算机软件的安装、维护和更新	Installation, maintenance, and updating of computer software
42	042-2352	为侦测非授权访问和数据外泄而进行的计算机系统监控	Monitoring of computer systems for detecting unauthorized access or data breach
42	042-2357	计算机安全服务，即限制{指明，例如媒体、无凭证用户等}的未授权网络访问	Computer security services, namely, restricting unauthorized network access by {indicate, e.g., the media, users without credentials, etc.}
42	042-2397	智能手机数据恢复	Recovery of smartphone data
42	042-2402	使用生物识别硬件和软件技术为{指明，例如电子商务交易、安全出入口门禁等}提供用户身份验证服务	Providing user authentication services using biometric hardware and software technology for {indicate, e.g., e-commerce transactions, secure entry and exit door access, etc.}
42	042-2371	提供临时使用不可下载的计算机防病毒软件	Providing temporary use of non-downloadable computer anti-virus software
42	042-2374	电气工程	Electrical engineering
42	042-2372	移动应用领域的软件设计和开发	Design and development of software in the field of mobile applications
42	042-682	海军舰船建造领域的设计服务	Design services in the field of naval shipbuilding
42	042-2364	用于保护数据的计算机安全威胁分析	Computer security threat analysis for protecting data
42	042-2405	计算机软件维护及更新咨询	Consultation about the maintenance and updating of computer software
42	042-2406	{指明具体领域，例如航空航天工程、地质学等}领域的计算机技术咨询	Computer technology consultancy in the field of {indicate specific field, e.g., aerospace engineering, geology, etc.}
42	042-2359	为侦测网络身份盗用而进行的个人身份信息电子监控	Electronic monitoring of personally identifying information to detect identity theft via the internet
42	042-2361	数字密钥管理形式的计算机安全服务	Computer security services in the nature of administering digital keys

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