China was the biggest source of applications for international patents in the world last year, pushing the United States out of the top spot it has held since the global system was set up more than 40 years ago, the U.N. patent agency said. The World Intellectual Property Organization, which oversees a system for countries to share recognition of patents, said 58,990 applications were filed from China last year, beating out the United States which filed 57,840.
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