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Restoration of the right of priority by receiving Offices (RO) and designated Offices (DO) under PCT Rules 26bis.3 and 49ter.2 (Last updated 14 March 2024)

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 IB1 Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests. 
AG  Antigua and Barbuda See IB1 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 IB1 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 requirements2		 As RO, AUD 200
As DO, at least AUD 1002
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 IB1 Yes Please refer to the Office 
BE Belgium See EP3 See EP    
BF  Burkina Faso  See OA4 See OA5    
BG  Bulgaria Yes Yes Due care and unintentional No
BH Bahrain Yes Yes Due care No
BJ  Benin See OA4 See OA5    
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 OA4 See OA5    
CG  Congo  See OA4 See OA5    
CH  Switzerland  Yes Yes Due care CHF 500
CI  Côte d'Ivoire  See OA4 See OA5    
CL Chile Yes Yes Due care and unintentional Equivalent in CLP of US dollars6 400
CM  Cameroon  See OA4 See OA5    
CN China Yes Yes18 As RO, due care and unintentional
As DO, 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 OA4 See OA5    
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 AP7 Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.  
GN Guinea See OA4 See OA5    
GQ  Equatorial Guinea See OA4 See OA5    
GR Greece No See EP    
GT Guatemala See IB1 Yes Due care and unintentional As DO, GTQ 4,000
GW  Guinea-Bissau See OA4 See OA5    
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  508  
JOD  259
JP Japan Yes Yes Unintentional17  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 OA4 See OA5 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 IB1 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 IB1 Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests. 
LC Saint Lucia See IB1 Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests. 
LI Liechtenstein See CH10 See CH11    
LK Sri Lanka See IB1 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 EP3 See EP  
MD Moldova Yes Yes Due care and unintentional EUR 100
ME Montenegro See EP3 See EP
MG Madagascar See IB1 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 OA4 See OA5    
MN Mongolia Yes Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.  
MR Mauritania See OA4 See OA5    
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 AP7 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 AP7 Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.  
NE Niger See OA4 See OA5    
NG Nigeria See IB1 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 3,30015
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 2,00015
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 AP7 Yes Please refer to the Office for the applicable criteria and/or any fee payable for such requests.  
SM San Marino See EP3 See EP
SN Senegal See OA4 See OA5    
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 AP7 See  AP12 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 OA4 See OA5    
TG Togo See OA4 See OA5    
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 AP7 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 USD13
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 2,10014
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 IB1 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, see PCT 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.
  18. The time limit for filing a request for restoration of the right of priority with CNIPA as a designated Office is two months from the date of entry into the national phase before the Office.
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