37 C.F.R. § 1.482
International preliminary examination and processing fees.
(a) The following fees and charges for international preliminary examination are established by the director under the authority of 35 U.S.C. 376:
(1) The following preliminary examination fee is due on filing the demand:
(i) If an international search fee as set forth in § 1.445(a)(2) has been paid on the international application to the United States Patent and Trademark Office as an International Searching Authority:
Table 1 to Paragraph ( a )(1)( i ); By a micro entity (§ 1.29) | $141.00; By a small entity (§ 1.27(a)) | 282.00; By other than a small or micro entity | 705.00
(ii) If the International Searching Authority for the international application was an authority other than the United States Patent and Trademark Office:
Table 2 to Paragraph ( a )(1)( ii ); By a micro entity (§ 1.29) | $176.00; By a small entity (§ 1.27(a)) | 352.00; By other than a small or micro entity | 880.00
(2) An additional preliminary examination fee when required, per additional invention:
Table 3 to Paragraph ( a )(2); By a micro entity (§ 1.29) | $141.00; By a small entity (§ 1.27(a)) | 282.00; By other than a small or micro entity | 705.00
(b) The handling fee is due on filing the demand and shall be as prescribed in PCT Rule 57.
(c) Late furnishing fee for providing a sequence listing in response to an invitation under PCT Rule 13 ter:
Table 4 to Paragraph ( c ); By a micro entity (§ 1.29) | $69.00; By a small entity (§ 1.27(a)) | 138.00; By other than a small or micro entity | 345.00
[85 FR 46991, Aug. 3, 2020, as amended at 88 FR 17157, Mar. 22, 2023; 89 FR 92010, Nov. 20, 2024]