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GENEVA (AP) - China and South Korea are climbing up the ranks of the world's leading inventors, according to figures released by the U.N. patent agency Thursday.
Of the 156,000 international patents filed through the World Intellectual Property Organization last year, some 7,000 originated in South Korea and almost 5,500 came from China.
The numbers put the two countries far behind the United States, which maintained its top position for international patents with about 52,000 registrations.
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