Current MPEP edition

Answer in brief

The current MPEP is the Ninth Edition, Revision 01.2024, published in November 2024. It reflects law and practice as of January 31, 2024.

Which edition the patent bar tests

The USPTO announces which MPEP revision the registration exam is based on. Check the USPTO's registration exam page before you study, and make sure your practice materials use the same revision.

Sources for this entry

Manual of Patent Examining Procedure (MPEP) USPTO
The examination manual the patent bar is tested on; open book during the exam.
USPTO — Registration examination USPTO
The USPTO's page on the registration examination (the patent bar).

Practical guidance is original editorial content. Company-published figures are the company's own claims and are labeled as such.

Continue this reading path

What is the MPEP?Using the MPEP on the patent bar MPEP chapters

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Cite or share this entry

MPEP.net. “Current MPEP edition.” Wysebridge Reference. Content reviewed 9 November 2026.
https://mpep.net/current-mpep-edition/