Table 6-19
USPTO patents granted to inventors of selected states: Selected years, 1993–2005
(Percent)
 
State   1993   1995   1997   1999   2001   2003   2005
 
U.S. patents issued to all states (number)   53,231   55,739   61,708   83,905   87,600   87,893   74,637
Total of seven states   50.9   51.0   51.6   52.3   52.9   52.9   53.2
California   15.3   16.6   18.3   20.0   21.2   22.4   24.1
Texas   6.4   7.0   6.7   7.2   7.3   6.9   7.1
New York   8.8   8.4   7.8   7.3   7.2   7.1   6.3
Michigan   5.4   5.0   4.6   4.4   4.4   4.4   4.5
Massachusetts   4.1   3.9   4.2   4.2   4.2   4.4   4.2
New Jersey   5.5   4.9   5.2   4.8   4.4   4.0   3.4
Illinois   5.3   5.2   4.9   4.5   4.2   3.8   3.7
 

USPTO = U.S. Patent and Trademark Office

NOTE: Patents assigned to state based on residence of first-named inventor.

SOURCES: Patents By Country, State, and Year-Utility Patents (December 2006), http://www.uspto.gov/web/offices/ac/ido/oeip/taf/cst_utl.htm, accessed 15 February 2007. See appendix tables 6-34 and 6-35.

Science and Engineering Indicators 2008