What is the standard time period for filing an appeal brief?

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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 1205.01 , the standard time period for filing an appeal brief is 2 months from the date of the notice of appeal. The MPEP states: “The usual period of time in which appellant must file his or her brief is 2 months from the date of the notice of appeal.” It’s important to note that this period is calculated from the Office date of receipt of the notice of appeal, not the date indicated on any Certificate of Mailing. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Appellant Must File Appeal Brief Within Two Months MPEP 1205 Required Receipt Date for Notice of Appeal MPEP 1205.01 Appellant Must File Brief Within Two Months of Notice Receipt MPEP 1205.01 Required Extension of Appeal Brief Due Date MPEP 1205.01 Tolling of Reply Period for Appeal Brief Filing MPEP 1205.01 Filing Appeal Brief After Notice of Appeal MPEP 1205.01 Filing Appeal Brief Within Two Months MPEP 1205.01 Extension of Time for Appeal Brief Filing MPEP 1205.01 Filing Appeal Brief Within Two Months MPEP 1205 Appeal Brief Must Be Filed Within Two Months of Notice of Appeal MPEP 1205.01 Required Other Related FAQs 5 FAQs Collapse What happens if an amendment is filed after a notice of appeal but before the appeal brief? How is the due date for an appeal brief calculated? What happens if an appeal brief is filed late in a patent application? What happens if an appeal brief is not filed within the required time? What is the difference between 37 CFR 1.136(a) and 37 CFR 1.136(b) for appeal brief extensions?