Historical PDF editionMPEP Ninth Edition, Revision 01.2024
MPEP Chapter 2500 — Maintenance Fees
Maintenance fee requirements and payment windows for issued patents.
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
- Maintenance fees
- Patent maintenance