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ST - Sao Tome and Principe
Industrial Property National Service (SENAPI)

Useful information

The PCT Applicant’s Guide is updated almost every week with information received by the International Bureau.
In case of question, please contact the Office or the International Bureau (
List of abbreviations used in this document:
Office: Industrial Property National Service (SENAPI)
Countries and Offices information:
The list of acronyms used for Offices is no longer shown as it has been integrated in the mouseover functionality for each ST.3 code shown in this document.
Refer to List of WIPO Standards, Recommendations and Guidelines formerly Annex K, List of country names and two-letter codes. It includes a list of short names and two-letter codes accepted for use in indicating States, other entities and intergovernmental organizations and their Offices in documents relating to international applications under the PCT. The list is as set out in WIPO Standard ST.3.
Also refer to PCT Contracting States formerly Annex A.
Office profile
For more technical information about the Office, refer to ePCT Office profile.
PCT Reservations, Declarations, Notifications and Incompatibilities
The Office does not have any reservations, declarations, notifications or incompatibilities.
Refer to the full list.
Office Closed dates
The Office is closed weekly on Saturday and Sunday
Additional closed dates can be consulted on the Office Closed dates page

International Phase

Annex B - Information on Contracting States or Intergovernmental Organization

Contracting State:
Sao Tome and Principe
Two-letter code:
Sao Tome and Principe - Industrial Property National Service (SENAPI)
Name of Office:
Industrial Property National Service (SENAPI)
Rua Viriato da Cruz
C.P. 198
São Tomé
Sao Tome and Principe
Mailing address:
Same as above
(239) 222 28 03
(239) 222 68 10
(239) 222 18 43
(239) 222 24 27
(239) 222 41 79
Does the Office accept the filing of documents by facsimile or the like means (PCT Rule 92.4)?
Would the Office accept evidence of mailing a document, in case of loss or delay, where a delivery service other than the postal authorities is used (PCT Rule 82.1)?
Is the Office prepared to allow applicants to make applications available to the WIPO Digital Access Service for Priority Documents (DAS) (PCT Rule 17.1(b-bis)?
Competent receiving Office(s) for international applications filed by nationals or residents of this State:
African Regional Intellectual Property Organization - African Regional Intellectual Property Organization (ARIPO)
International Bureau of the World Intellectual Property Organization (WIPO) - International Bureau of WIPO
Does national legislation restrict the filing of international applications with foreign Offices?
Refer to the Office
Competent designated (or elected) Office(s) for this State:
National protection: ST
ARIPO protection: AP
Types of protection available via the PCT:
Utility models (a utility model may be sought instead of or in addition to an ARIPO patent)
Availability under the national law for an international-type search (PCT Article 15):
Provisional protection after international publication:
Information of interest if this Contracting State is designated (or elected)
For national protection
Time when the name and address of the inventor must be given:
Must be in the request. If not already complied with within the time limit applicable under PCT Article 22 or 39(1), the Office will invite the applicant to comply with the requirement within two months from the date of the invitation.
Are there special provisions concerning the deposit of microorganisms and other biological material?
For an ARIPO patent
Refer to Annex B(AP)

Annex C - Receiving Office

The Office does not act as receiving Office
This Office has delegated its RO functions to RO/AP. Refer to Annex C(AP) for more information.

National Phase

Summary of requirements for entry into the national phase

Information not yet available

The procedure in the national Phase

Information not yet available


Annex ST.I - Fees
Information not yet available
Please refer to the Office.
Special edition as of 31 October 2023, prepared for EQE candidates printed on 23 Jul 2024