What are the four types of U.S. national applications?

According to the MPEP, there are four types of U.S. national applications:

• A national stage application under 35 U.S.C. 371
• A regular domestic national application filed under 35 U.S.C. 111(a)
• A provisional application filed under 35 U.S.C. 111(b)
• An international design application filed under the Hague Agreement

The MPEP states: “There are four types of U.S. national applications: a national stage application under 35 U.S.C. 371, a regular domestic national application filed under 35 U.S.C. 111(a), a provisional application filed under 35 U.S.C. 111(b), and an international design application filed under the Hague Agreement in which the Office has received a copy of the international registration pursuant to Hague Agreement Article 10.“

To learn more:

• U.S. national applications
• PCT
• Hague Agreement
• provisional applications
• design applications