MPEP Chapter 1400: Correction of Patents — Study Guide
Chapter 1400 covers certificates of correction, reissue applications under 35 U.S.C. 251, reexamination requests, and disclaimers. Reissue recapture and error-correction rules are exam staples.
- of released exam questions
- ~3.67%
- MPEP pages
- 176
- guided lectures
- 4
- review questions
- 100
What to learn
Key topics in Chapter 1400
- Reissue applications (35 U.S.C. 251)
- Recapture doctrine
- Certificates of correction
- Statutory and terminal disclaimers
Inside the course
Guided lectures for Chapter 1400
- 01Reissue of Patents under 35 U.S.C. 251
- 02Reissue Examination Procedure: Public Notice, Special Status, and the Examiner's Review
- 03Reissue Applications: Candor, Conflicts, and Prosecution Mechanics
- 04Effect of Reissue, Certificates of Correction, and Disclaimers
Plus slides, key terms, quick quizzes, and MPEP-linked references in the full course.
FAQ
Chapter 1400 FAQs
How much of the patent bar exam covers MPEP Chapter 1400?
About 3.67% of released USPTO exam questions come from Chapter 1400 (Correction of Patents), based on our analysis of 44 released questions.
How should I study MPEP Chapter 1400?
Read the key topics below, then drill exam-style questions with MPEP citations and finish with a timed review. Patent Bar Studio schedules Chapter 1400 automatically based on its exam weight and your accuracy.
How long is MPEP Chapter 1400?
The chapter spans roughly 176 pages in MPEP 9th Edition, Revision 01.2024 — focus on the key topics listed here rather than reading cover to cover.
Master Chapter 1400 with a personal plan
Guided lectures, cited practice questions, and analytics that tell you exactly when this chapter is exam-ready.