What is the maximum statutory period for replying to an Office action?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-10 3 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. The maximum statutory period for replying to an Office action is 6 months, as stated in 35 U.S.C. 133 . However, the MPEP notes that “Shortened periods are currently used in practically all cases.” For more details on shortened periods, refer to MPEP § 710.02(b) . Related Rules from the Manual of Patent Examining Procedure 3 rules Collapse Application Abandoned for Missing Prosecution Within Six Months MPEP 710 Required Director May Extend Time for Taking Action on Important Inventions MPEP 710 Permitted Technology Center Director Decides Time Extensions MPEP 710 Other Related FAQs 5 FAQs Collapse How long do I have to respond to a notice about an unlocatable file? How does 37 CFR 1.136 affect time periods in patent applications? What happens when two different periods for reply are running against a patent application? What is the &#8216;next succeeding business day&#8217; rule for patent application deadlines? When does the USPTO set time periods that are not subject to extensions?