37 C.F.R. § 7.6 Schedule of U.S. process fees.
Title 37 - Patents, Trademarks, and Copyrights
(a) The Office requires the following process fees: (1) For certifying an international application based on a single basic application or registration, per class—$100.00 (2) For certifying an international application based on more than one basic application or registration, per class—$150.00 (3) For transmitting a subsequent designation under §7.21—$100.00 (4) For transmitting a request to record an assignment or restriction, or release of a restriction, under §7.23 or §7.24—$100.00 (5) For filing a notice of replacement under §7.28, per class—$100.00 (6) For filing an affidavit under §71 of the Act, per class—$100.00 (7) Surcharge for filing an affidavit under §71 of the Act during the grace period, per class—$100.00 (b) The fees required in paragraph (a) of this section must be paid in U.S. dollars at the time of submission of the requested action. See §2.207 of this chapter for acceptable forms of payment and §2.208 of this chapter for payments using a deposit account established in the Office.
Title 37: Patents, Trademarks, and Copyrights
PART 7—RULES OF PRACTICE IN FILINGS PURSUANT TO THE PROTOCOL RELATING TO THE MADRID AGREEMENT CONCERNING THE INTERNATIONAL REGISTRATION OF MARKS
Subpart A—General Information
§ 7.6 Schedule of U.S. process fees.