NBER patents data file 
Bronwyn H. Hall, University of California at Berkeley 

This website hosts the NBER Patent Citations Data Files created by Jaffe, Trajtenberg, and myself with help from researchers at the NBER and Case Western Reserve University. Documentation is also available:

Hall, Bronwyn H., Adam B. Jaffe, and Manuel Trajtenberg. "The NBER Patent Citations Data File: Lessons, Insights, and Methodological Tools," UC Berkeley, Brandeis University, Tel Aviv University, and NBER. August 2001.

There are two files:

The files are available in multiple formats: WARNING: On pat63_99, both cmade (citations made) and creceive (citations received) are coded as missing when they should be zero. You should recode them before using these variables.


Last updated August 24, 2001 by Bronwyn H. Hall