Number of independent inventors in the U.S. as of 2015, by state

The statistic illustrates the number of independent inventors in the United States between 1977 and 2015, by state. As of 2015, a total number of 150,525 independent inventors were residing in California at the time they were filing for a patent.

Number of independent inventors in the United States as of 2015, by state

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Source

Release date

March 2016

Region

United States

Survey time period

1977 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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Statistics on "Patents in the United States"

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