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MPEP 2667
Handling of Inappropriate or Untimely Filed Papers

Ninth Edition of the MPEP, Revision 01.2024, Last Revised in November 2024

MPEP Chapter Index
Chapter 2600: Optional Inter Partes Reexamination

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2667    Handling of Inappropriate or Untimely Filed Papers [R-01.2024]

The Office does not accept requests for inter partes reexamination filed on or after September 16, 2012. See 37 CFR 1.913(b). Guidance on the former practice is available in revision 07.2022 of the 9th Edition of the MPEP.