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	042-1412	湿地保护领域的工程和栖息地恢复设计服务	Engineering and habitat restoration design services in the field of wetland preservation
42	042-1411	湿地栖息地开发和保护服务，即在环境敏感栖息地保护以及本地动植物保护领域监测、检测和分析生态成效	Wetland habitat development and preservation services, namely, monitoring, testing and analyzing ecological success in the field of environmentally sensitive habitat conservation and preservation of native plants and wildlife
42	042-1410	热交换器设计	Designing of heat exchangers
42	042-1409	提供基因表达领域（即癌症生物学）的实验室研究服务	Providing laboratory research services in the field of gene expression, namely, cancer biology
42	042-1408	医疗执业和麻醉执业的质量测量和分析	Quality measurement and analysis for medical practices and anesthesia practices
42	042-1407	提供癌症研究和疾病分类领域的医学检测服务和信息	Providing medical testing services and information in the field of cancer research and disease classification
42	042-1406	医疗和麻醉行业的质量评估服务	Quality evaluation services for the medical and anesthesia industries
42	042-1403	选矿检测服务	Mineral dressing testing services
42	042-1402	矿物测试服务	Mineral testing services
42	042-1401	网页设计咨询	Consultancy with regard to webpage design
42	042-1400	能源效率领域的工程服务	Engineering services in the field of energy efficiency
42	042-14	细菌学研究和测试	Bacteriological research and testing
42	042-1398	为他人管理网站	Managing web sites for others
42	042-1396	提供互联网搜索引擎	Provision of Internet search engines
42	042-1395	电子信息数据转换	Data conversion of electronic information
42	042-1394	数据加密和解密服务	Data encryption and decoding services
42	042-1393	计算机程序的创建	Creating of computer programs
42	042-1066	降低运营成本、燃料混合、废物处理、联产品和副产品质量性能以及化学品分销领域的工程服务	Engineering services in the field of reduction of operating costs, fuel blending, waste handling, quality performance of co-products and by-products, and chemical distribution
42	042-1065	为校准和坐标测量目的进行数据采集和收集	Data-acquisition and collection for calibration and coordinate-measurement purposes
42	042-1064	计算机服务，即将音乐和视频图像数字格式化并压缩为可下载媒体	Computer services, namely, digital formatting and compression of music and video images into downloadable media
42	042-1063	计算机硬盘数据备份服务	Backup services for computer hard drive data
42	042-1060	对非法秘密制毒窝点进行是否存在危险和违禁物质的评估和检测	Evaluation and testing of illegal clandestine drug lab sites for the presence of hazardous and illegal materials
42	042-1059	家具设计服务	Furniture design services
42	042-1058	隧道和地下结构设计	Design of tunnels and underground structures
42	042-1057	设计核电站的设备部件和装备	Designing plant components and equipment for nuclear power plants

US Trademark Classification

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