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Table 26. Patent Classification Activity

Patent Classification Activity for Fiscal Years 1997 through 2001
TABLE 26

PATENT CLASSIFICATION ACTIVITY
(FY 1997 - FY 2001)

ACTIVITY

1997
1998
1999
2000

2001

Original patents professionally reclassified -
 
completed projects
114,895
100,474
82,944
53,437
39,209

Subclasses established
6,789
3,569
2,433
1,869
1,878

Reclassified patents clerically processed, total
417,866
393,985
193,309
128,362
145,090
 
Original U.S. patents
141,518
119,425
62,584
49,231
51,266
Cross-reference U.S. patents
234,370
189,957
97,615
70,302
84,611
Foreign patents
41,978
84,603
33,110
8,829
9,213

 

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Last Modified: 11/11/2009 6:16:28 PM