General Science, Mathematics, and Technology
How many patents have been issued by the U.S. Patent Office?
Over seven million patents have been granted by the U.S. Patent Office since its inception in 1790. In recent years, the number of patents issued on a yearly basis has risen dramatically. The following chart shows the numbers of patents of all types (utility, design, plant, and reissue) issued for selected years:
|Year||Total Number of Patents Granted|