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Maintenance rate of U.S. patents up for renewal 2005 to 2015

Rate of abandonment of U.S. patents up for renewal from 2005 to 2015

The data displays the rate of U.S. patents that were not renewed when their expiry was reached each year from 2005 to 2015. In 2015, 21.79% of U.S. patents that came up for renewal were abandoned.

2005 15.38
2006 16.41
2007 15.43
2008 15.09
2009 17.52
2010 20.09
2011 19.53
2012 18.5
2013 19.22
2014 20.52
2015 21.79