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Overview of this project

  • SIPO patents matched to Chinese listed firms (“Main Board”): completed; freely available
  • SIPO patents matched to firms in China's Annual Survey of Industrial Enterprises (ASIE): completed; freely available
  • SIPO patents matched to U.S. multinational enterprises: in progress
  • USPTO/EPO/WIPO patents matched to Chinese applicants: in progress
  • SIPO patents matched to Chinese listed firms on the Small and Medium Enterprises (SME) Board and the Growth Enterprise Board (“Second Board”): under plan

Announcement

  • Our paper documenting the matching of SIPO patents to ASIE firms was accepted for publication in Nature Scientific Data. Please visit this link for the paper. (posted 03/27/2018 by Yuchen Zhang).
  • In response to requests for the corporate tree data files constructed for Chinese listed firms, we are sharing the data on the SIPO - Chinese listed firms tab. (posted 03/28/2017 by Yuchen Zhang)
  • Chinese Patent Data Project is now using the Harvard Dataverse as another repository for all project related files. The repository can be accessed here. (posted 12/13/2016 by Yuchen Zhang)

  • SIPO patent data matched to ASIE firms are available for download. Please visit the SIPO - ASIE firms tab for detailed information and data download links. (posted 11/23/2016 by Yuchen Zhang)
  • Our paper documenting the matching of SIPO patents to Chinese listed firms and their subsidiaries was accepted for publication in the Journal of Economics & Management Strategy. Please visit the SIPO - Chinese listed firms tab for a copy of the working paper version. (posted 11/08/2016 by Yuchen Zhang)
  • Three new columns (Columns P, Q , and R) indicating the “Application date”, “Grant status”, and “Grant date” for each of the 222,651 matched patents have been added to the “Matched Patents” file on the SIPO - Chinese listed firms tab. (posted 04/20/2014 by Yuchen Zhang)
  • A new column (Column D) indicating the English names of the listed companies is added to the “Calculated Variables” file on the SIPO - Chinese listed firms tab. We thank Professor Bronwyn Hall for this suggestion. (posted 03/01/2014 by Yuchen Zhang)
  • Currently, SIPO patent data for 1990-2010 matched to Chinese listed companies and subsidiaries are available for download. Please visit the SIPO - Chinese listed firms tab for detailed information and data download links. (posted 09/17/2013 by Yuchen Zhang)

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