(status on 1 July 2022)
In accordance with its Agreement with the International Bureau of WIPO, the Spanish Patent and Trademark Office shall act as International Searching Authority and/or International Preliminary Examining Authority for any PCT Contracting State that specifies the Authority for that purpose (See PCT Applicant's Guide, Annex C).
The search fee and preliminary examination fee payable to the Spanish Patent and Trademark Office are reduced by 75% if the applicant or, if there are two or more applicants, each applicant is a natural person or a legal entity and is a national of and resides in a State not party to the European Patent Convention and which is classified by the World Bank in the group of countries of "low income", "lower middle income" or "upper middle income". The States concerned are indicated below:
| Two-letter country code |
State |
| AF1 |
Afghanistan |
| AM2 |
Armenia |
| AO2 |
Angola |
| AR1 |
Argentina |
| AZ2 |
Azerbaijan |
| Two-letter country code |
State |
| BA2 |
Bosnia & Herzegovina |
| BD1 |
Bangladesh |
| BF2 |
Burkina Faso |
| BI1 |
Burundi |
| BJ2 |
Benin |
| BO1 |
Bolivia (Plurinational State of) |
| BR2 |
Brazil |
| BT1 |
Bhutan |
| BW2 |
Botswana |
| BY2 |
Belarus |
| BZ2 |
Belize |
| Two-letter country code |
State |
| CD1 |
Democratic Republic of the Congo |
| CF2 |
Central African Republic |
| CG2 |
Congo |
| CI2 |
Côte d'Ivoire |
| CM2 |
Cameroon |
| CN2 |
China |
| CO |
Colombia |
| CR |
Costa Rica |
| CU |
Cuba |
| CV1 |
Cabo Verde |
| Two-letter country code |
State |
| DJ2 |
Djibouti |
| DM2 |
Dominica |
| DO |
Dominican Republic |
| DZ2 |
Algeria |
| Two-letter country code |
State |
| EC |
Ecuador |
| EG2 |
Egypt |
| ER1 |
Eritrea |
| ET1 |
Ethiopia |
| Two-letter country code |
State |
| FJ1 |
Fiji |
| FM1 |
Micronesia (Federated States of) |
| Two-letter country code |
State |
| GA2 |
Gabon |
| GD2 |
Grenada |
| GE2 |
Georgia |
| GH2 |
Ghana |
| GM2 |
Gambia |
| GN2 |
Guinea |
| GQ2 |
Equatorial Guinea |
| GT |
Guatemala |
| GW2 |
Guinea-Bissau |
| Two-letter country code |
State |
| HN |
Honduras |
| HT1 |
Haiti |
| Two-letter country code |
State |
| ID2 |
Indonesia |
| IN2 |
India |
| IQ1 |
Iraq |
| IR2 |
Iran (Islamic Republic of) |
| Two-letter country code |
State |
| JM1 |
Jamaica |
| JO2 |
Jordan |
| Two-letter country code |
State |
| KE2 |
Kenya |
| KG2 |
Kyrgyzstan |
| KH2 |
Cambodia |
| KI1 |
Kiribati |
| KM2 |
Comoros |
| KP2 |
Democratic People's Republic of Korea |
| KZ2 |
Kazakhstan |
| Two-letter country code |
State |
| LA2 |
Lao People's Democratic Republic |
| LB1 |
Lebanon |
| LC2 |
Saint Lucia |
| LK2 |
Sri Lanka |
| LR2 |
Liberia |
| LS2 |
Lesotho |
| LY2 |
Libya |
| Two-letter country code |
State |
| MA2 |
Morocco |
| MD2 |
Republic of Moldova |
| ME2 |
Montenegro |
| MG2 |
Madagascar |
| MH1 |
Marshall Islands |
| ML2 |
Mali |
| MM1 |
Myanmar |
| MN2 |
Mongolia |
| MR2 |
Mauritania |
| MU1 |
Mauritius |
| MV1 |
Maldives |
| MW2 |
Malawi |
| MX |
Mexico |
| MY2 |
Malaysia |
| MZ2 |
Mozambique |
| Two-letter country code |
State |
| NA2 |
Namibia |
| NE2 |
Niger |
| NG2 |
Nigeria |
| NI |
Nicaragua |
| NP1 |
Nepal |
| Two-letter country code |
State |
| PE |
Peru |
| PG2 |
Papua New Guinea |
| PH2 |
Philippines |
| PK1 |
Pakistan |
| PW |
Palau |
| PY1 |
Paraguay |
| Two-letter country code |
State |
| RU2 |
Russian Federation |
| RW2 |
Rwanda |
| Two-letter country code |
State |
| SB1 |
Solomon Islands |
| SD2 |
Sudan |
| SL2 |
Sierra Leone |
| SN2 |
Senegal |
| SO1 |
Somalia |
| SR1 |
Suriname |
| SS1 |
South Sudan |
| ST2 |
Sao Tome and Principe |
| SV |
El Salvador |
| SY2 |
Syrian Arab Republic |
| SZ2 |
Eswatini |
| Two-letter country code |
State |
| TD2 |
Chad |
| TG2 |
Togo |
| TH2 |
Thailand |
| TJ2 |
Tajikistan |
| TL1 |
Timor-Leste |
| TM2 |
Turkmenistan |
| TN2 |
Tunisia |
| TO1 |
Tonga |
| TV1 |
Tuvalu |
| TZ2 |
United Republic of Tanzania |
| Two-letter country code |
State |
| UA2 |
Ukraine |
| UG2 |
Uganda |
| UZ2 |
Uzbekistan |
| Two-letter country code |
State |
| VC2 |
Saint Vincent and the Grenadines |
| VE1 |
Venezuela (Bolivarian Republic of) |
| VN2 |
Viet Nam |
| VU1 |
Vanuatu |
| Two-letter country code |
State |
| WS1 |
Samoa |
| Two-letter country code |
State |
| YE1 |
Yemen |
| two-letter country code |
State |
| ZA2 |
South Africa |
| ZM2 |
Zambia |
| ZW2 |
Zimbabwe |
