What fees are associated with patent reexamination?

Patent reexamination involves several fees as outlined in MPEP 2233:

• Request fee (37 CFR 1.20(c)(1) or (c)(2))
• Addition of claims fees (37 CFR 1.20(c)(3) and (c)(4))
• Extension of time fees
• Appeal, appeal forwarding, and oral hearing fees (37 CFR 41.20(b))
• Petition fees (37 CFR 1.17(m) and 1.20(c)(6))

The MPEP states: “No fee is required for issue of the reexamination certificate.” Small entity and micro entity fee reductions may apply, with limitations for third-party requesters.

To learn more:

• reexamination fees
• USPTO fees
• patent fees
• small entity
• micro entity