The data depicts the number of independent inventors in the U.S. from 1998 to 2015. In 2015, a total number of 24,365 independent inventors were counted by the U.S. Patent and Trademark Office in the U.S.
2015 | 24365 |
2014 | 24223 |
2013 | 23650 |
2012 | 21909 |
2011 | 20434 |
2010 | 22387 |
2009 | 17165 |
2008 | 17406 |
2007 | 18505 |
2006 | 20652 |
2005 | 17018 |
2004 | 20194 |
2003 | 22600 |
2002 | 23294 |
2001 | 24993 |
2000 | 26456 |
1999 | 26698 |
1998 | 27163 |