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Table 15-2
Patents issued by field of study and country — 2006

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2006
  Canada United States Other Unclassified Total
  number
Total 42 133 164 .. 339
Agriculture and biological sciences 2 12 36 .. 50
Engineering and applied sciences 14 34 18 .. 66
Health professions and sciences 6 35 38 .. 79
Mathematics and physical sciences 2 11 1 .. 14
Unclassified 18 41 71 .. 130
Note(s):
Based on the questionnaires received representing 117 responding institutions. Unclassified: Respondents provided totals but were unable to break down components as requested. For international patent applications the parent Patent Cooperation Treaty (PCT) is counted as one application and each entry into national phase as one application.