Historical PDF editionMPEP Ninth Edition, Revision 01.2024
MPEP Chapter 800 — Restriction in Applications Filed Under 35 U.S.C. 111; Double Patenting
Restriction practice, unity of invention, election requirements, and double patenting.
About this document
This page indexes an official USPTO reference PDF from the MPEP Ninth Edition, Revision 01.2024 collection. It is provided for convenient discovery and download. For the latest applicable USPTO guidance, use the official source linked on this page.
What this document covers
- Restriction requirements
- Unity of invention
- Double patenting
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