Browse the MPEP by chapter
All 29 chapters of the USPTO Manual of Patent Examining Procedure, Ninth Edition, and the 736 file-level sections inside them.
- Chapter 100 — Secrecy, access14 sections · 1 subsections
- Chapter 200 — Types, priority11 sections · 48 subsections
- Chapter 300 — Ownership21 sections · 20 subsections
- Chapter 400 — Representative10 sections · 35 subsections
- Chapter 500 — Mail13 sections · 23 subsections
- Chapter 600 — Specification, claims9 sections · 109 subsections
- Chapter 700 — Examination21 sections · 257 subsections
- Chapter 800 — Restriction23 sections · 67 subsections
- Chapter 900 — Prior art, search9 sections · 79 subsections
- Chapter 1000 — Director5 sections · 30 subsections
- Chapter 1100 — Publication18 sections · 1 subsections
- Chapter 1200 — Appeal16 sections · 36 subsections
- Chapter 1300 — Allowance, issue9 sections · 34 subsections
- Chapter 1400 — Correction38 sections · 26 subsections
- Chapter 1500 — Design10 sections · 19 subsections
- Chapter 1600 — Plant13 sections
- Chapter 1700 — Miscellaneous8 sections · 1 subsections
- Chapter 1800 — PCT74 sections · 60 subsections
- Chapter 1900 — Protest4 sections · 8 subsections
- Chapter 2000 — Duty of disclosure13 sections · 16 subsections
- Chapter 2100 — Patentability75 sections · 213 subsections
- Chapter 2200 — Reexamination96 sections · 15 subsections
- Chapter 2300 — Interference15 sections · 37 subsections
- Chapter 2400 — Biotechnology35 sections · 85 subsections
- Chapter 2500 — Maintenance fees23 sections
- Chapter 2600 — Inter partes review85 sections · 36 subsections
- Chapter 2700 — Patent terms27 sections · 7 subsections
- Chapter 2800 — Supplemental exam23 sections · 19 subsections
- Chapter 2900 — International design18 sections · 20 subsections