2659 Res Judicata and Collateral Estoppel in Reexamination Proceedings [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.