Which MPEP chapters discuss reexamination procedures?
The MPEP discusses reexamination procedures in two chapters:
- MPEP Chapter 2200 covers ex parte reexamination
- MPEP Chapter 2600 covers inter partes reexamination requests (for those filed before September 16, 2012)
As stated in MPEP 1400.01: “The fourth way (reexamination) is discussed in MPEP Chapter 2200 for ex parte reexamination and MPEP Chapter 2600 for inter partes reexamination requests (as of September 16, 2012 no new requests may be filed).”
It’s important to note that inter partes reexamination is no longer available for new requests as of September 16, 2012.
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