The World Intellectual Property Organisation says China cranked out patent applications at a record pace last year.
Its total of just under a million outstripped the US and Japan combined.
WIPO Director-General Francis Gurry marveled at China's "extraordinary" numbers.
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The US had the second-most patent applications at 578,000 while Japan came in third with 325,000. Japanese companies, led by Panasonic, made up seven of the top 10 applicants. Korea's Samsung was third and US-based IBM eighth.
Numbers don't tell the whole story though. Gurry said: "We don't have an accepted metric for quality.