Can third parties participate in ex parte reexamination proceedings?

Third party participation in ex parte reexamination proceedings is limited. According to the MPEP, “The active participation of the ex parte reexamination requester ends with the reply pursuant to § 1.535, and no further submissions on behalf of the reexamination requester will be acknowledged or considered.“ After the reexamination is ordered, third party submissions are…

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How does inter partes reexamination differ from ex parte reexamination?

Inter partes reexamination differs from ex parte reexamination in several procedural aspects, but not in the substance considered. The MPEP states: “Inter partes reexamination differs from ex parte reexamination in matters of procedure, such as when the third party requester can participate, the types of Office actions and the timing of issuance of the Office…

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