What is the scope of MPEP Chapter 800?

MPEP Chapter 800 focuses on restriction and double patenting in national applications filed under 35 U.S.C. 111(a). The chapter states:

“This chapter is limited to a discussion of the subjects of restriction and double patenting under Title 35 of the United States Code and Title 37 of the Code of Federal Regulations as it relates to national applications filed under 35 U.S.C. 111(a).”

This means the chapter primarily deals with issues of restriction and double patenting in regular non-provisional patent applications filed directly with the USPTO.

To learn more:

• restriction
• double patenting
• national applications
• 35 U.S.C. 111(a)