Total number of independent inventors in the U.S. 1998-2015

The statistic illustrates the number of independent inventors in the United States from 1998 to 2015. In 2015, a total number of 24,365 independent inventors were counted by the U.S. Patent and Trademark Office in the United States.

Number of independent inventors in the United States from 1998 to 2015

Characteristic	Number of inventors
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-	-
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Release date

March 2016

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Region

United States

Survey time period

1998 to 2015

Supplementary notes

* An independent inventor is an inventor whose patent, at the time of grant, has ownership that is unassigned or assigned to an individual. The counts represent the number of times inventors are named on unassigned patents or on patents assigned to individuals. If a patent has more than one inventor, each inventor is counted. If an inventor has more than one patent, he or she is counted once for each patent. The following types of patents are counted here: utility, design, plant, and reissue patents, defensive publications, and statutory invention registrations.

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