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Historical PDF editionMPEP Ninth Edition, Revision 01.2024

MPEP Chapter 2700 — Patent Terms, Adjustments, and Extensions

Patent term adjustments, extensions, and term calculation.

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

  • Patent term adjustment
  • PTA
  • Patent term extension

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.