What are the differences in filing fees between national applications under 35 U.S.C. 111(a) and national stage applications under 35 U.S.C. 371?

The filing fees differ as follows:

  • For national applications under 35 U.S.C. 111(a): These are subject to the national application filing fees set forth in 37 CFR 1.16.
  • For national stage applications under 35 U.S.C. 371: These are subject to the national stage fees prescribed in 37 CFR 1.492.

MPEP 1896 states: “U.S. national applications filed under 35 U.S.C. 111(a) are subject to the national application filing fees set forth at 37 CFR 1.16. Submissions to enter the U.S. national stage under 35 U.S.C. 371 are subject to the national stage fees prescribed at 37 CFR 1.492.”

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Tags: Filing Fees, National Application, patent procedure, Pct Application