Are there additional fees for adding claims during reexamination?
Yes, there may be additional fees for adding claims during reexamination. MPEP 2221 states: “If an amendment is submitted to add claims to the patent being reexamined, then excess claims fees pursuant to 37 CFR 1.20(c)(3) and (c)(4) may be applicable to the presentation of the added claims.” These excess claims fees are detailed in…
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