               Calendar Year 1992 Patenting Trends





During calendar year 1992, the U.S. Patent and Trademark Office

issued a record 107,510 patents (including utility, design, plant,

and reissue patents and statutory invention registrations). This

total represents an increase of 1 percent from the 1991 total. Of

these 1992 patents, 58,792 (54.7 percent) were issued to U.S. -

resident inventors while 48,718 (45.3 percent) were issued to

inventors residing outside the United States.



The U.S.- resident inventor share of patents increased for the

fourth straight year. The 54.7 percent U.S. - resident inventor

share for 1992 is considerably higher than the U.S. - resident

inventor share for 1991 (54.1 percent) and is substantially above

the 53.0 percent share obtained in 1988.



The number of U.S. patents granted to residents of Japan increased

3 percent in 1992 and the Japan - resident inventor share of all

patents is 21.5 percent for 1992, up from a 21.0 percent share in

1991. The number of U.S. patents granted to residents of Germany

declined 5 percent in 1992 and the German - resident inventor share

of all patents granted in 1992 is 7.1 percent, down from a 7.5

percent share in 1991.



The ten foreign countries which received the most patents during

CALENDAR YEAR 1992 are shown below. In general, only slight changes

in ranking will occur from one year to the next.



 Rank   (Rank in 1982)   Country                   # Patents in 1992



  1        (1)           Japan                     21,925

  2        (2)           Germany                    7,311

  3        (4)           France                     3,029

  4        (3)           United Kingdom             2,425

  5        (6)           Canada                     1,964

  6        (7)           Italy                      1,271

  7        (5)           Switzerland                1,196

  8       (18)           China (Taiwan)             1,000

  9        (9)           Netherlands                  855

 10        (8)           Sweden                       627





_______________________________________________________________________

SOURCE:      U.S. Patent and Trademark Office

             (2-17-93)



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