U.S. Provisional Patent Applications

U.S. provisional patent applications are assigned a unique serial number at the time of filing.

Year 1st Provisional
2016
2015 124,715
2014 964,276
2013 848,274
2012 631,245
2011 460,301
2010 335,046
2009 203,947
2008 9,389
2007 877,460
2006 754,464
2005 639,450
2004 532,638
2003 437,173
2002 343,564
2001 256,730
2000 173,038
1999 113,787
1998 70,310
1997 34,487
1996 9,474
1995 1

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