Can multiple interim extensions be granted for a single patent?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-30 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. Yes, multiple interim extensions can be granted for a single patent. MPEP 2755.01 states: “ If a determination is made that the patent is eligible for extension, an interim extension is granted for a period of up to one year. Additional interim extensions may be granted if required to extend the patent term until a final determination on the application for extension can be made. ” This provision allows for continued protection of the patent while the extension application is being processed, especially in cases where regulatory approval takes longer than anticipated. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Additional Interim Extensions May Be Granted MPEP 2755.01 Recommended Interim Extension of Patent Term Is Discretionary Up to One Year MPEP 2755.01 Publication of Patent Eligibility for Extension Before Approval MPEP 2755.02 Required Interim Extension Cannot Extend Patent Term Beyond Eligible Period MPEP 2755.01 Multiple Interim Extensions Permitted for Same Regulatory Review Period MPEP 2755.01 Required Notification of Patent Term Extension Eligibility MPEP 2755 Notification of Patent Extension Determination MPEP 2755 No Interim Extension for Non-Eligible PTE Patent MPEP 2755.01 Request for Reconsideration of Final Determination on Patent Extension Eligibility MPEP 2755 Permitted Time Periods for Extension Determination MPEP 2755 Other Related FAQs 5 FAQs Collapse What happens if FDA approval is received during an interim extension? How long can an interim extension last? What is the deadline for filing an application for interim extension? How long does an interim extension last? Can multiple patents receive interim extensions based on a single regu...