Historical PDF editionMPEP Ninth Edition, Revision 01.2024
MPEP Chapter 1800 — Patent Cooperation Treaty
Patent Cooperation Treaty practice before the USPTO as a receiving office.
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
- PCT
- International applications
- National stage
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You are outside the United States and you received a USPTO Office Action
What the US representation requirement means for applicants outside the United States, how deadlines work across time zones, and what to do first.