全部树

Cost of living data for global residentsNEW

China high-tech enterprise patent statisticsNEW

Statistics on entry and exit information of Chinese partnershipsNEW

Patents and citation data of Little Giant and individual champion companiesNEW

Small giant and single champion enterprise design patent details table

Digital economy patent application and authorization dataNEW

Tax investigation of corporate patents and citation dataNEW

Patent and citation data of Chinese industrial enterprisesNEW

Patent and citation data of A-share listed companiesNEW

Patent details of A-share listed companies
A-share listed companies' design patent application details table
Details of Design Patents Authorized by A-share Listed Companies

Statistics on the entry and exit of Chinese industrial and commercial enterprisesNEW

Basic information data of manufacturing industrial and commercial registered enterprisesNEW

China foreign trade index data

China university patent statisticsNEW

Green patents and citation data of Chinese industrial enterprisesNEW

Details of Green Patents of Chinese Industrial Enterprises

Green patents and citation data of A-share listed companies

A-share listed companies green patent details table

  欧洲专利局(European Patent Office, EPO)是根据《欧洲专利公约》,于1977年10月7日正式成立的一个政府间组织,负责审查授予可以在42个国家生效的欧洲专利(European patent)。

  欧洲专利局是世界上实力最强、最现代化的专利局之一,拥有世界上最完整的专利文献资源,先进的专利信息检索系统和丰富的专利审查、申诉及法律研究方面的经验,中国知识产权局也在文献收集、检索及审查员培训、文献及信息产品等方面和欧洲专利局有过广泛的交流。

  CnOpenData推出欧洲专利局专利数据,包含欧洲专利局专利的基本信息字段,如专利申请人、专利发明人、IPC分类号、CPC分类号、C-sets分类号、专利申请日、专利公开日、公开号集合等内容,为相关研究助力。


时间区间

截至2022年


字段展示


样本数据


数据更新频率

年度更新