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Quality of Patents Issued

The following table presents the values given in the quality of patents graph for the last four fiscal years.

Target and Actual Error Rates for Patents Issued
for the Last 4 Fiscal Years
  FY 2001 FY 2002 FY 2003 FY 2004
Target 5.5% 5.0% 4.0% 4.0%
Actual 5.4% 4.2% 4.4% 5.3% not met


  • Data source: Office of Patent Quality Review Report.
  • Frequency: Daily input, monthly reporting.
  • Data storage: Automated systems, reports.
  • Verification: Manual reports and analysis.
  • Data Limitations: None.



United States Patent and Trademark Office
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Last Modified: 7/4/2009 1:30:19 PM