The handling fee is collected by the EPO as International Preliminary Examining Authority (IPEA/EP) for the benefit of the IB and its amount is fixed by the IB. It is to be paid within one month from the date on which the demand (Form PCT/IPEA/401) was submitted or within 22 months from the priority date, whichever time limit expires later. The amount payable is the amount applicable on the date of payment.

The review fee is collected by the SISA/EP for its own benefit and its amount is fixed by the EPO. It is to be paid within one month from the date of the notification of lack of unity of invention (see GL/PCT‑EPO B‑XII, 10.4).[Rule 45bis.6(c); ]

The supplementary search handling fee is collected by the IB for its own benefit and its amount is fixed by the IB. The supplementary search handling fee is to be paid within one month from the date of receipt of the supplementary search request (Form PCT/IB/375). The amount payable is the amount applicable on the date of payment. For any reductions that may apply, see GL/PCT‑EPO A‑III, 8.3.[Rule 45bis.2; ]

The late furnishing fee is paid for the benefit of the ISA/EP and its amount is fixed by the EPO. It is payable within one month from the date of the invitation to furnish the nucleotide and/or amino acid sequence listing (Form PCT/ISA/225, see GL/PCT‑EPO B‑VIII, 3.2).

The additional search fee paid in response to an invitation to pay additional fees after a finding of lack of unity (Form PCT/ISA/206, see GL/PCT‑EPO B‑VII, 6.2) is collected directly by the EPO as International Searching Authority (ISA/EP) and its amount is fixed by the EPO. This fee is to be paid within one month from the date of the invitation. The amount payable is the amount applicable on the date of receipt of the international application.