What are the main differences between a national application filed under 35 U.S.C. 111(a) and a national stage application submitted under 35 U.S.C. 371?
The main differences between a national application filed under 35 U.S.C. 111(a) and a national stage application submitted under 35 U.S.C. 371 include:
- Filing Date
- Priority Requirements
- Unity of Invention
- Filing Fees
As stated in MPEP 1896: “The differences between a national application filed under 35 U.S.C. 111(a) and a national application submitted under 35 U.S.C. 371 are often subtle, but the differences are important.”
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