How much money will it cost me to register for the exam?

Application fee under 37 CFR § 1.21(a)(1)(i)$110
Commercial test examination fee 37 CFR § 1.21(a)(1)(ii)(A)$265
Prometric examination administration fee$165

Also don’t forget that once you pass, you will have another fee ($200) for registration/limited recognition grant fee per 37 CFR § 1.21(a)(2).