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.

Filing a trademark in the United States? See our guide: Trademark registration in the United States

Class	Item No.	Chinese	English
45	045-5	失踪人员调查	Missing persons investigation
45	045-49	保镖服务	Bodyguard services
45	045-47	临时看护婴儿	Baby sitting
45	045-37	就业前背景调查服务	Pre-employment background investigation services
45	045-3	婚恋配对服务	Matchmaking services
45	045-27	婚姻辅导	Marriage counseling
45	045-26	婚姻介绍所	Marriage bureaus
45	045-25	锁匠服务，即开锁	Locksmithing, namely, opening of locks
45	045-24	与保险索赔相关的调查服务	Investigation services related to insurance claims
45	045-2377	订阅式服装出租服务	Subscription-based clothing rental services
45	045-2375	提供诉讼领域的信息	Providing information in the field of litigation
45	045-2374	提供商业法领域的信息	Providing information in the field of business law
45	045-2373	提供商业法、诉讼和知识产权领域的信息	Providing information in the field of business law, litigation and intellectual property
45	045-2371	鞋出租	Rental of shoes
45	045-2518	社交介绍机构	Social introduction agencies
45	045-2512	晚装出租	Rental of evening wear
45	045-2490	事故调查	Accident investigations
45	045-2516	保安服务	Security guard services
45	045-2567	木乃伊制作服务	Mummification services
45	045-2536	版权管理	Copyright management
45	045-2555	版权管理咨询	Copyright management consultation
45	045-1041	域名注册服务，即进行域名搜索，以提供域名注册方面的法律咨询	Domain name registration services, namely, conducting domain name searches for the purpose of providing legal advice on domain name registration
45	045-1047	提供知识产权法律服务领域的信息	Providing information in the field of intellectual property legal services
45	045-1073	通过网站提供的{指明具体领域，例如数学、音乐等}领域的社交网络服务	Social networking services in the field of {indicate specific field, e.g., mathematics, music, etc.} provided via a website
45	045-1083	法律服务，即在{指明法律领域，例如商法、房地产法等}各领域提供定制文件、信息、咨询、建议和顾问服务	Legal services, namely, providing customized documentation, information, counseling, advice and consultation services in all areas of {specify field of law, e.g., business law, real estate law, etc.}

US Trademark Classification

Have a question about the classification tables?