Danqing Mei

Data

Patent Data Matching Project (Outdated — with AI, no search engine is needed anymore)

Matching USPTO Patent Assignees to Compustat Public Firms and SDC Private Firms

A systematic effort to match assignee names on USPTO patent records to public and private firms in Compustat and SDC Platinum databases.

  • Public firms: 1976–2017
  • Private firms: 1985–2017
  • Methodology: Bing web search engine with improved fuzzy name matching

Supported by a research grant from the Finance Division and Deming Center at Columbia Business School.