MPEP Chapter 800: Restriction in Applications Filed Under 35 U.S.C. 111; Double Patenting — Study Guide
Chapter 800 covers restriction and election of species under 35 U.S.C. 121, rejoinder, and obviousness-type double patenting with terminal disclaimers. Restriction-requirement procedure is a classic exam topic.
- of released exam questions
- ~1.67%
- MPEP pages
- 107
- guided lectures
- 2
- review questions
- 38
What to learn
Key topics in Chapter 800
- Restriction requirements (35 U.S.C. 121)
- Election of species
- Rejoinder practice
- Terminal disclaimers and double patenting
Inside the course
Guided lectures for Chapter 800
- 01Restriction and Double Patenting: Electing One Invention
- 02Restriction Requirements II: Drafting, Election, and the Life of Nonelected Claims
Plus slides, key terms, quick quizzes, and MPEP-linked references in the full course.
FAQ
Chapter 800 FAQs
How much of the patent bar exam covers MPEP Chapter 800?
About 1.67% of released USPTO exam questions come from Chapter 800 (Restriction in Applications Filed Under 35 U.S.C. 111; Double Patenting), based on our analysis of 20 released questions.
How should I study MPEP Chapter 800?
Read the key topics below, then drill exam-style questions with MPEP citations and finish with a timed review. Patent Bar Studio schedules Chapter 800 automatically based on its exam weight and your accuracy.
How long is MPEP Chapter 800?
The chapter spans roughly 107 pages in MPEP 9th Edition, Revision 01.2024 — focus on the key topics listed here rather than reading cover to cover.
Master Chapter 800 with a personal plan
Guided lectures, cited practice questions, and analytics that tell you exactly when this chapter is exam-ready.