The chart above is made from the 5329 utility patents issued on September 4, 2012. More utility patents were issued on that day than any other day in U.S. history. As you can see from the chart, a substantial number of patents are issuing in less than two years. The median pendency (not counting priority claims) was just under 3 years and 4 months. Of the 410 design patents issued that same day, 44% issued within one year of filing and 92% within two years of filing.