By Dennis Crouch
The chart below uses the breakdown of patent documents into their various workgroups. As shown here, the workgroups are basically an intermediary classification that falls between the micro-art-units and the macro technology centers. Dividing into workgroups is especially useful for looking at Technology Center 3600 because that center examines perhaps the widest variety of technologies. For the chart below, I collected inventor information on all U.S. patents issued from January 2010 – August 2014 and simply displayed the percent of patents whose first-listed inventor claimed a U.S. residence in the application documents.
Today, just about half of newly issued patents are non-US originated. That datum is dramatically different from historical figures where U.S. inventors dominated the U.S. patent rolls. I have written before that this change likely signals a future shift in U.S. policy as the population is less likely to support foreign-owned patent rights blocking access or raising prices for goods and services. To the extent policymakers are relying upon this concern, the chart provides some additional insight because it points to areas of technology where U.S. inventors continue to dominate in the U.S. Patent market.