Can I pay the annual fee for all American inventions in one lump sum?

Submitted by 页之码 on
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页之码IP

Can't. The U.S. patent annual fee needs to be paid in three installments, each payment time is 4 years apart, and it needs to be paid within the time specified by the U.S. Patent Office, which are the 3.5th year, the 7.5th year and the 11.5th year.

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