What fees are required in an inter partes reexamination proceeding?

Several fees are required in an inter partes reexamination proceeding:

• Fee for filing the request for inter partes reexamination
• Fees for the addition of claims by the patent owner during the proceeding (excess claims fees)
• Fees for an extension of time
• Fees for any appeal, brief, and oral hearing
• Fees for all petitions filed relating to a reexamination proceeding

As stated in the MPEP: All fees in an inter partes reexamination proceeding (including the fee for filing the request for inter partes reexamination (see MPEP § 2615)) are processed by the Central Reexamination Unit (CRU).

It’s important to note that No fee is required for the issuance of a reexamination certificate.

To learn more:

• inter partes reexamination
• patent fees
• CRU
• excess claims fees
• extension of time fees
• appeal fees