Why were inter partes reexamination requests discontinued?

Inter partes reexamination requests were discontinued as part of the changes implemented by the America Invents Act (AIA). While MPEP Section 2619 doesn’t explicitly state the reason, it notes: “No requests for inter partes reexamination may be filed on or after September 16, 2012.” This change was made to streamline patent challenge procedures and replace…

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