Restoration of the right of priority by receiving Offices (RO) and designated Offices (DO) under PCT Rules 26bis.3 and 49ter.2 (Last updated 16 October 2025)

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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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 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 200
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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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 dollars⁶ 400
CM	Cameroon	See OA ⁴	See OA ⁵
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
CV	Cabo Verde	Yes	Please refer to the Office	As RO: Due care and unintentional	Please refer to the Office
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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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 19,835
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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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 750
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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
FI	Finland	Yes	Yes	Due care	EUR 500
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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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	Equivalent in GEL of 60 USD¹⁹
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 IB¹	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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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	EUR 26.54
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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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 48,700
IT	Italy	Yes	Yes	Due care	EUR 16 (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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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 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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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 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
MU	Mauritius	Yes	Yes	Due care and unintentional	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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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 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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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 188.48 (online) EUR 376.96 (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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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 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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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 2,260¹⁴
UY	Uruguay	Yes	Yes	Due care	Equivalent in UYU of 400 USD
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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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?
Two-letter code	Contracting State or Organization	as receiving Office	as designated Office	If yes, which criteria does the Office apply?	Is there a fee?
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.

The International Bureau of WIPO (IB) acts as receiving Office for this State under PCT Rule 19.1(b).
For further details, see PCT Applicant's Guide, National Chapter (AU).
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.
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.
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.
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.
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.
This amount is applicable in case of filing by a company or an organization.
This amount is applicable in case of filing by an individual.
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.
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.
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.
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%.
This amount is reduced to USD 904 in case of filing by a "small entity" or to USD 452 in case of filing by a "micro entity" (for further details, see PCT Applicant's Guide, Annex C (US) and National Chapter (US)).
This amount is reduced by 50% in case of filing by an individual.
This amount is applicable in case of filing by an individual.
For any international application in respect of which the priority period expires on or after 1 April 2023.
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.
This fee is reduced by 70% where the applicant is the inventor, a higher educational institution or an independent scientific research unit, and by 90% where the applicant is a student, pupil or pensioner.