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Historical PDF editionMPEP Ninth Edition, Revision 01.2024

MPEP Chapter 700 — Examination of Applications

Examination of patent applications, including Office Actions, amendments, interviews, and replies.

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

  • Office Actions
  • Examiner interviews
  • Amendments
  • Reply periods

Chapter 2100

Patentability requirements, including eligibility, novelty, obviousness, and written description.

Responding to a USPTO Office Action

What a response to a USPTO Office Action involves, what it costs, what the deadline is, and how to start with the document you already have.

How your Office Action deadline is calculated

The reply period runs from the mailing date. How the three-month and two-month periods work, what extensions buy, and the six-month wall.

Non-final and final Office Actions are not the same thing

What changes when an Office Action is final: which amendments can be entered, which routes remain, and how the effective deadline shifts.