No milestones were reached in 2012, but in 2013 it's virtually guaranteed that the USPTO will issue patent no. 8,500,000. And design patents are rapidly approaching the 700,000 mark.
Table 1. US Patents by Type Issued in 2012*
Table 2. US Patent Number Ranges, Jan. 1 through Dec. 31, 2012
|Type||First Number||Last Number|