Restoration of the right of priority by receiving Offices (RO) and designated Offices (DO) under PCT Rules 26bis.3 and 49ter.2 (Last updated 1 April 2023)

Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
AE United Arab Emirates See IB 1 Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
AG Antigua and Barbuda See IB 1 Yes As DO, due care and unintentional XCD 800
AL Albania Yes Yes Due care ALL 7,000
AM Armenia Yes Yes Unintentional AMD 10,000
AO Angola See IB 1 Please refer to the Office Please refer to the Office for the applicable criteria and/or any fee payable for such requests
AP African Regional Intellectual Property Organization Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests
AT Austria Yes Yes Due care and unintentional As RO, EUR 229
As DO, EUR 269
AU Australia Yes Yes As RO, due care and unintentional
As DO, national law requirements 2 		As RO, AUD 200
As DO, at least AUD 100 2
AZ Azerbaijan Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
BA Bosnia and Herzegovina Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
BB Barbados See IB 1 Yes Please refer to the Office
BE Belgium See EP 3 See EP
BF Burkina Faso See OA 4 See OA 5
BG Bulgaria Yes Yes Due care and unintentional No
BH Bahrain Yes Yes Due care No
BJ Benin See OA 4 See OA 5
BR Brazil No No
BW Botswana Yes Yes As RO, please refer to the Office for the applicable criteria
As DO, due care		 Please refer to the Office for the applicable fee
BY Belarus Yes Yes Unintentional BYN 185
BZ Belize Yes Yes Due care and unintentional BZD 150
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
CA Canada Yes No As RO, due care and unintentional No
CF Central African Republic See OA 4 See OA 5
CG Congo See OA 4 See OA 5
CH Switzerland Yes Yes Due care CHF 500
CI Côte d'Ivoire See OA 4 See OA 5
CL Chile Yes Yes Due care and unintentional Equivalent in CLP of US dollars 6 400
CM Cameroon See OA 4 See OA 5
CN China Yes No As RO, due care and unintentional CNY 1,000
CO Colombia No No
CR Costa Rica Yes Yes Due care USD 144
CU Cuba No No
CY Cyprus Yes See EP Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
CZ Czechia No No
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
DE Germany No No
DJ Djibouti Yes Yes Due care and unintentional No
DK Denmark Yes Yes Due care DKK 3,000
DM Dominica Please refer to the Office Please refer to the Office Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
DO Dominican Republic Yes Yes Due care and unintentional DOP 17,250
DZ Algeria No No
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
EA Eurasian Patent Organization Yes Yes As RO, due care and unintentional
As DO, unintentional		 As RO, no
As DO, RUB 16,000
EC Ecuador Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
EE Estonia Yes Yes Due care No
EG Egypt Yes Yes Due care EGP 800 (individuals and research institutes),
EGP 1,000 (companies <10 employees) and
EGP 1,500 (companies >10 employees
EP European Patent Organization Yes Yes Due care EUR 685
ES Spain Yes Yes Due care EUR   91.35 (online)
EUR 107.46 (on paper)
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
FI Finland Yes Yes Due care EUR 450
FR France Yes See EP Due care EUR 156
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
GA Gabon See OA 4 See OA 5
GB United Kingdom Yes Yes Unintentional GBP 150
GD Grenada Please refer to the Office Please refer to the Office Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
GE Georgia Yes Yes Due care and unintentional USD 60
GH Ghana Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
GM Gambia See AP 7 Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
GN Guinea See OA 4 See OA 5
GQ Equatorial Guinea See OA 4 See OA 5
GR Greece No See EP
GT Guatemala See IB 1 Yes Due care and unintentional As DO, GTQ 4,000
GW Guinea-Bissau See OA 4 See OA 5
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
HN Honduras Yes Yes Due care and unintentional

As RO, USD 50
As DO, please refer to the Office for the applicable fee
HR Croatia Yes Yes Due care HRK 300
HU Hungary Yes Yes Due care No
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
IB World Intellectual Property Organization Yes Not applicable Due care and unintentional No
ID Indonesia No No
IE Ireland Yes See EP As RO, due care and unintentional Please refer to the Office for the applicable fee
IL Israel Yes Yes Due care No
IN India No No
IQ Iraq Yes Yes Due care and unintentional No
IR Iran (Islamic Republic of) Yes Yes As RO, please refer to the Office for the applicable criteria
As DO, due care		 Please refer to the Office for the applicable fee
IS Iceland Yes Yes Due care ISK 42,500
IT Italy Yes Yes Due care EUR 15 (online)
EUR 16 (on paper) (in fee stamps)
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
JM Jamaica Yes Yes Due care and unintentional JMD  3,500
JO Jordan Yes Yes Due care and unintentional JOD  50 8
JOD  25 9
JP Japan Yes Yes Unintentional 17  No
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
KE Kenya Yes Yes Unintentional USD 50
KG Kyrgyzstan Yes Yes Due care and unintentional KGS 3,500
KH Cambodia Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
KM Comoros See OA 4 See OA 5 Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
KN Saint Kitts and Nevis Yes Yes Due care and unintentional XCD 50
KP Democratic People's Republic of Korea Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
KR Republic of Korea No No
KW Kuwait See IB 1 Yes Due care and unintentional Please refer to the Office for the applicable fee
KZ Kazakhstan Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
LA Lao People's Democratic Republic See IB 1 Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
LC Saint Lucia See IB 1 Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
LI Liechtenstein See CH 10 See CH 11
LK Sri Lanka See IB 1 Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
LR Liberia Yes Yes Due care and unintentional No
LS Lesotho Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
LT Lithuania Yes Yes Due care EUR 115
LU Luxembourg Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
LV Latvia Yes See EP Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
LY Libya Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
MA Morocco Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
MC Monaco See EP 3 See EP
MD Moldova Yes Yes Due care and unintentional EUR 100
ME Montenegro See EP 3 See EP
MG Madagascar See IB 1 Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
MK North Macedonia Yes Yes Due care MKD 1,000
ML Mali See OA 4 See OA 5
MN Mongolia Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
MR Mauritania See OA 4 See OA 5
MT Malta Yes See EP As RO, due care and unintentional AS RO, no
MW Malawi Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
MX Mexico Yes No As RO, unintentional No
MY Malaysia Yes Yes Unintentional MYR 150
MZ Mozambique See AP 7 Yes Please refer to the Office
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
NA Namibia See AP 7 Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
NE Niger See OA 4 See OA 5
NG Nigeria See IB 1 Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
NI Nicaragua Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
NL Netherlands Yes See EP As RO, due care EUR 161
NO Norway Yes Yes Unintentional NOK 3,000
NZ New Zealand Yes Yes Due care and unintentional No
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
OA African Intellectual Property Organization Yes Yes Please refer to the Organization for the applicable criteria and/or any fee payable for such requests.
OM Oman Yes Yes As RO, due care and unintentional
As DO, due care		 Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
PA Panama Yes Yes Due care As RO, USD 480
As DO, please refer to the Office for the applicable fee
PE Peru Yes Yes Due care PEN 191.97
PG Papua New Guinea Yes Yes Due care and unintentional No
PH Philippines No No
PL Poland Yes Yes Due care PLN 80
PT Portugal Yes Yes Due care EUR 163.60 (online)
EUR 327.20 (on paper)
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
RO Romania Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
RS Serbia Yes Yes Due care RSD 3,300 15
RU Russian Federation Yes Yes As RO, due care and unintentional
As DO, due care		 RUB 1,000
RW Rwanda Yes Yes Due care and unintentional Please refer to the Office for the applicable fee
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
SA Saudi Arabia Yes Yes Due care and unintentional As RO, USD 534 (276) 16
As DO, SAR 2,000 15
SC Seychelles Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
SD Sudan Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
SE Sweden Yes Yes Due care SEK 1,000
SG Singapore Yes Yes Due care and unintentional SGD 250
SI Slovenia Yes See EP As RO, due care As RO, EUR 42
SK Slovakia Yes Yes Due care EUR 166
SL Sierra Leone See AP 7 Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
SM San Marino See EP 3 See EP
SN Senegal See OA 4 See OA 5
SV El Salvador Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
SY Syrian Arab Republic Yes Yes Due care and unintentional Please refer to the Office for the applicable fee
SZ Eswatini See AP 7 See AP 12 Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
TD Chad See OA 4 See OA 5
TG Togo See OA 4 See OA 5
TH Thailand Yes Yes Due care No
TJ Tajikistan Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
TM Turkmenistan Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
TN Tunisia Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
TR Türkiye Yes Yes Due care As DO, TRY 2,610
TT Trinidad and Tobago Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
TZ United Republic of Tanzania See AP 7 Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
UA Ukraine Yes Yes Unintentional UAH 200 or equivalent in EUR or in USD 13
UG Uganda Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
US United States of America Yes Yes Unintentional USD 2,100 14
UZ Uzbekistan Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
VC Saint Vincent and the Grenadines See IB 1 Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
VN Viet Nam Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
Two-letter code Contracting State or Organization Does the Office accept requests for the restoration of the right of priority? If yes, which criteria does the Office apply? Is there a fee?
as receiving Office as designated Office
ZA South Africa Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
ZM Zambia Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
ZW Zimbabwe Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.
  1. The International Bureau of WIPO (IB) acts as receiving Office for this State under PCT Rule 19.1(b).
  2. For further details, see PCT Applicant's Guide, National Chapter (AU).
  3. The European Patent Office (EP) acts as receiving Office for this State under PCT Rule 19.1(b). Please refer to that Office for the applicable criteria and/or any fee payable for such requests.
  4. The African Intellectual Property Organization (OA) acts as receiving Office for this State under PCT Rule 19.1(b). Please refer to that Organization for the applicable criteria and/or any fee payable for such requests.
  5. The African Intellectual Property Organization (OA) acts as designated Office for this State under PCT Article 4(1)(ii). Please refer to that Organization for the applicable criteria and/or any fee payable for such requests.
  6. When calculating the US dollar equivalent amount in CLP, applicants should use the exchange rate fixed by the Central Bank of Chile on the day before the date of payment.
  7. The African Regional Intellectual Property Organization (AP) acts as receiving Office for this State under PCT Rule 19.1(b). Please refer to  that Organization for the applicable criteria and/or any fee payable for such requests.
  8. This amount is applicable in case of filing by a company or an organization.
  9. This amount is applicable in case of filing by an individual.
  10. The Swiss Federal Institute of Intellectual Property (CH) acts as receiving Office for this State under PCT Rule 19.1(b). Please refer to that Office for the applicable criteria and/or any fee payable for such requests.
  11. The Swiss Federal Institute of Intellectual Property (CH) acts as designated Office for this State under PCT Article 4(1)(ii). Please refer to that Office for the applicable criteria and/or any fee payable for such requests.
  12. The African Regional Intellectual Property Organization (AP) acts as designated Office for this State under PCT Article 4(1)(ii). Please refer to  that Organization for the applicable criteria and/or any fee payable for such requests.
  13. This fee is reduced by 90% where all applicants are also inventors and by 80% where all applicants are also non-profit institutions and/or organizations. When the fee is payable with relation to an application made by both types of applicant, and all applicants are either also inventors, or non-profit institutions and/or organizations, the fee is reduced by 80%.
  14. This amount is reduced to USD 840 in case of filing by a "small entity" or to USD 420 in case of filing by a "micro entity" (for further details, seePCT Applicant's Guide, Annex C (US) and National Chapter (US)).
  15. This amount is reduced by 50% in case of filing by an individual.
  16. This amount is applicable in case of filing by an individual.
  17. For any international application in respect of which the priority period expires on or after 1 April 2023.