When are international patent applications published?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-27 10 Rules 5 Related FAQs This page is an FAQ based on guidance from the Manual of Patent Examining Procedure. It is provided as guidance, with links to the ground truth sources. This is information only: it is not legal advice. According to MPEP 1857 , international patent applications are typically published 18 months after the priority date. However, there are exceptions: The applicant can request earlier publication. Publication may be delayed if the application is withdrawn or considered withdrawn before technical preparations for publication are completed. As stated in PCT Article 21(2)(a) : Subject to the exceptions provided for in subparagraph (b) and in Article 64(3), the international publication of the international application shall be effected promptly after the expiration of 18 months from the priority date of that application. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse No Publication Before Technical Preparations MPEP 1857 Required Effect of International Publication Timing MPEP 1857 Required International Applications Published Weekly on Thursdays MPEP 1857 International Publication Number Required for Each Application MPEP 1857 Required International Application Designation as U.S. Publication MPEP 1857 Required International Application Must Be Published Promptly After 18 Months MPEP 1842 Required International Application May Omit Expressions, Drawings, and Statements Contrary to Morality or Public Order MPEP 1857 Permitted Effects of International Publication Match National Publication MPEP 1857 Required Publication of Date of Receipt Required MPEP 1857 Required International Publication Number Required for Application MPEP 1857 Required Other Related FAQs 5 FAQs Collapse What is the effect of international publication on patent rights? How can I access published international applications? What information is included in a published international application? W...