全部树

China university patent statisticsNEW

China high-tech enterprise patent statisticsNEW

Digital economy patent application and authorization dataNEW

Patents and citation data of Little Giant and individual champion companiesNEW

Small giant and single champion enterprise design patent details table

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

Statistics on entry and exit information of Chinese partnershipsNEW

Basic information data of manufacturing industrial and commercial registered enterprisesNEW

Patent and citation data of A-share listed companiesNEW

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

Green patents and citation data of A-share listed companies

A-share listed companies green patent details table

Patent and citation data of Chinese industrial enterprisesNEW

Green patents and citation data of Chinese industrial enterprisesNEW

Details of Green Patents of Chinese Industrial Enterprises

Tax investigation of corporate patents and citation dataNEW

Cost of living data for global residentsNEW

China foreign trade index data

  Computer software copyright refers to the combination of property rights and moral rights enjoyed by natural persons, legal entities, or other organizations over computer software works. In common contexts, computer software copyright is often abbreviated as software copyright or simply "Ruanzhu".

  To promote the development of China's software industry and enhance the innovation capabilities and competitiveness of China's information industry, the national copyright administration encourages software registration and provides prioritized protection for registered software.

  CnOpenData has compiled software copyright registration information held by Chinese enterprises, with data volume reaching nearly ten million entries. The dataset contains fields including enterprise name (企业名称), software copyright name (软著名称), release date (发布日期), registration date (登记日期), registration number (登记号), and version number (版本号).


Time Coverage

1970-2020


Field Display


Sample Data


Data Update Frequency

Annual updates