From To Year Format Comment ---------- ---------- ---- ------ ----------------------------------------------------------- 1 79,858 2000 Old Could be either format, but it doesn't matter since both 2000 New have leading zeros. 79,859 100,000 ---- --- Impossible old-format 2000 patents > max for that year. 100,001 199,484 2001 Old 199,485 200,000 ---- --- Impossible old-format 2001 patents > max for that year. 200,001 251,230 2002 Old 252,231 1,000,000 ---- --- Impossible old-format 2002 patents > cutover point. 1,000,001 1,099,484 2001 New >> Needs to be changed into the old format. 1,099,485 2,000,000 ---- --- Impossible new-format 2001 patents > max for that year. 2,000,001 2,051,230 2002 New >> Needs to be changed into the old format. 2,051,231 2,999,999 2002 New 3,000,001 3,999,999 2003 New 4,000,001 4,999,999 2004 New 5,000,001 5,999,999 2005 New 6,000,001 6,999,999 2006 New 7,000,001 7,800,000 2007 New 7,800,001 7,800,019 1978 Old Remotely could be new 2007 data if >800,000 patents issued. 7,800,020 7,900,000 2007 New 7,900,001 7,901,170 1979 Old Remotely could be new 2007 data if >900,000 patents issued. 7,901,171 7,999,999 2007 New 8,000,001 8,002,902 1980 Old You can't tell, so assume 1980 old data. 2008 New 8,002,903 8,100,000 2008 New 8,100,001 8,103,734 1981 Old You can't tell, so assume 1981 old data, since it'll be 2008 New 2008 data only if >100,000 2008 patents are issued. 8,103,735 8,200,000 2008 New 8,200,001 8,204,519 1982 Old You can't tell, so assume 1982 old data, since it'll be 2008 New 2008 data only if >200,000 2008 patents are issued. 8,204,520 8,300,000 2008 New 8,300,001 8,304,466 1983 Old You can't tell, so assume 1983 old data, since it'll be 2008 New 2008 data only if >300,000 2008 patents are issued. 8,304,467 8,400,000 2008 New 8,400,001 8,405,011 1983 Old You can't tell, so assume 1983 old data, since it'll be 2008 New 2008 data only if >400,000 2008 patents are issued. 8,405,012 8,500,000 2008 New ... continuing like this for the 5 years, 1984 through 1988 8,900,001 8,912,951 1989 Old You can't tell, so assume 1989 old data, since it'll be 2008 New 2008 data only if >900,000 2008 patents are issued. 8,912,952 8,999,999 2008 New 9,000,001 9,016,143 1990 Old You can't tell, so assume 1990 old data. 2009 New 9,016,144 9,100,000 2009 New 9,100,001 9,120,179 1991 Old You can't tell, so assume 1991 old data, since it'll be 2009 New 2009 data only if >100,000 2009 patents are issued. 9,120,180 9,200,000 2009 New ... continuing like this for the 7 years, 1992 through 1998 9,900,001 9,967,979 1999 Old You can't tell, so assume 1999 old data, since it'll be 2009 New 2009 data only if >900,000 2009 patents are issued. 9,967,980 9,999,999 2009 New 10,000,001 10,999,999 2010 New 11,000,001 11,999,999 2011 New ... 77,000,001 77,999,999 2077 New 78,000,001 78,000,019 1978 New >> Assume replacement data for old patents, so will need to 2078 New be converted to the old format. 78,000,020 78,999,999 2078 New 79,000,001 79,001,170 1979 New >> Assume replacement data for old patents, so will need to 2079 New be converted to the old format. 79,001,171 79,999,999 2079 New 80,000,001 89,999,999 198x New >> Assume replacement data for old patents, so will need to 208x New be converted to the old format. 90,000,001 99,999,999 199x New >> Assume replacement data for old patents, so will need to 209x New be converted to the old format.