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. 2009 Dec 29;12(3):687–706. doi: 10.1007/s11051-009-9831-7

Table 2.

Nanotechnology patent applications published in the top 15 countries/regions’ patent offices in the interval 1991 to 2008 using keyword “title–abstract” search

Rank Patent office (repository) No. of nanotechnology patent applications (1991–2008) 2000 2008
1 USA 19,665 405 3,729
2 PRC 18,438 105 5,030
3 Japan 10,763 328 1,744
4 South Korea 5,963 74 1,249
5 Canada 1,539 41 255
6 Taiwan 1,363 28 3
7 Germany 1,312 62 70
8 Australia 1,296 76 136
9 Russian Federation 859 45 162
10 Mexico 471 0 88
11 UK 412 14 68
12 France 390 8 38
13 Brazil 315 0 103
14 Ukraine 243 0 83
15 New Zealand 140 11 18