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This is the home page for the new NBER patent data project. US Patent data for 1976-2006 and assignee match to Compustat are now available on the downloads page. Watch this site for announcements of new releases, tools, supplemental files, fixes, etc.


  • To DOWNLOAD files... Note that you do not need permission to download files. Simply go to the DOWNLOADS PAGE listed on the left. Permission is required only to edit the web page of ...
    Posted Nov 25, 2012, 4:10 AM by Jim Bessen
  • New files for utility patents The file formerly known as pat76_06_pdp has now been revised into two files: pat76_06_assg has one record for every assignment of every utility patent from 1976 ...
    Posted Aug 5, 2010, 12:23 PM by Jim Bessen
  • Updated DYNASS file Juan Correa and Carmine Ornaghi identified some significant mistakes in the merger and acquisition data for pharmaceutical firms. Their information has now been incorporated into the DYNASS on the website ...
    Posted Jul 28, 2010, 8:35 AM by Jim Bessen
  • Name standardization routines uploaded The attached zip file contains the Stata routines that we used to standardize company names.
    Posted Mar 24, 2010, 11:49 AM by Jim Bessen
  • Patent data now in ASCII Also multiple recent updates to documentation
    Posted Aug 12, 2009, 8:31 AM by Jim Bessen
Showing posts 1 - 5 of 8. View more »

User support forum

  • Compustat match To clarify the documentation, we matched USPTO patents to the North American Compustat data at WRDS (not the Global data).
    Posted Mar 1, 2012, 7:28 AM by Jim Bessen
  • How to count patents Previously, counting patents was a bit tricky because patents could have multiple assignees and these were stored in file PATASSG but not in the utility patent file.Now, file PAT76 ...
    Posted Aug 5, 2010, 12:31 PM by Jim Bessen

  • Posted Nov 19, 2010, 5:19 AM by Jim Bessen
Showing posts 1 - 3 of 3. View more »