Over the last 20 years, the total number of design patents issued per year in the United States has erupted. As illustrated in the graph below and further highlighted in this animated graph, in the 30 year period between the years 1971 and 2000 a total of nearly 219,000 design patents were issued by the U.S. Patent & Trademark Office (USPTO). In the 20 years since the year 2000, nearly 471,000 design patents have been issued, representing an annual issue count of more than three times that of the previous 30 year period. While the overall number of issued designs continues to increase each decade, one particular article of manufacture has seen the largest uptick in popularity among design patents issued over the last ten years: graphical user interfaces.
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