Table 6-2
Triadic patent families, by inventor and applicant (owner) place of residence and priority year: 1988–98
 
Place of residence Total 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998
  Number
World total of triadic patent
families
364,335 30,814 33,360 32,919 30,677 30,669 31,454 32,243 35,161 37,679 37,630 31,729
  Percent
Inventor                        
United States 34.9 33.0 33.0 34.4 34.9 36.2 35.4 34.8 34.3 33.9 35.6 39.1
European Union 31.6 33.5 31.7 30.2 30.5 31.3 31.8 33.6 32.7 32.8 31.0 28.3
Japan 27.5 28.3 30.2 30.3 29.1 26.7 26.8 25.3 26.5 26.9 26.6 26.2
Applicant                        
United States 39.4 37.9 37.5 38.8 39.4 40.8 40.3 40.0 38.8 38.4 39.3 42.2
European Union 27.7 29.4 28.0 26.7 26.7 27.3 27.7 29.4 28.6 28.5 27.5 25.3
Japan 27.3 28.0 30.0 29.9 28.9 26.5 26.6 24.9 26.3 26.8 26.7 26.2
 
NOTE: A triadic patent family is formed when patent applications for the same invention are filed in Europe, Japan, and the United States.

SOURCE: Organisation for Economic Co-operation and Development/World Intellectual Property Organization, Triadic Patent Families, unpublished tabulations.
 
Science & Engineering Indicators — 2004
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