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How long does it take to apply for an "invention patent" before granting authorization?

different countries apply for authorization at different times.

China invention patent authorization time: about 1.5-3 years

American invention patent authorization time: about 2-3 years

European invention patent authorization time: about 2-5 years

German invention patent authorization time: about 2-3 years

Japanese invention patent authorization time: about 2-3 years

Korean invention patent authorization time:

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