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Country guide · Updated October 2026

Trademark registration in São Tomé & Príncipe

Who registers trademarks in São Tomé & Príncipe, what it costs, how long it takes and what foreign owners need — with links to the official sources and IP firms that can file for you.

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Quick answer

Trademarks in São Tomé & Príncipe are registered with the Serviço Nacional da Propriedade Intelectual e Qualidade (SENAPIQ-STP); third parties can oppose within 3 months from publication in the Intellectual Property Bulletin. A registration lasts 10 years and can be renewed. São Tomé & Príncipe can be designated through the Madrid System.

Checked against official sources on 11 October 2026 · see sources

Office
SENAPIQ-STP
Madrid Protocol
Member since 2008
Opposition
3 months from publication in the Intellectual P…
Protection
10 years

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Official fees in São Tomé & Príncipe

The office does not publish an up-to-date fee schedule we could verify. Ask firms that cover São Tomé & Príncipe for a quote that shows official and professional fees separately — post a request or compare packages.

How to register a trademark in São Tomé & Príncipe

  1. Appoint an Industrial Property Agent resident in São Tomé and Príncipe if the applicant is not established or domiciled there.
  2. File the trademark application in Portuguese with SENAPIQ-STP (or designate São Tomé and Príncipe through the Madrid system or an ARIPO application).
  3. The application is published in the Intellectual Property Bulletin.
  4. Third parties may file an opposition within three months of publication; the applicant has three months to respond.
  5. SENAPIQ-STP examines the application and any opposition, and its final decision is notified by publication in the Intellectual Property Bulletin.

Examination, publication and opposition

  • Examination: SENAPIQ-STP examines the application and the parties' submissions after the opposition and response deadlines expire; no official processing time is stated.
  • Publication: Intellectual Property Bulletin (Boletim da Propriedade Intelectual)
  • Opposition period: 3 months from publication in the Intellectual Property Bulletin (one extension of one month may be granted)

Protection, renewal and use

  • Term: 10 years, renewable.

Filing from abroad

  • Local agent: Applicants not established or domiciled in São Tomé and Príncipe must act through an Industrial Property Agent resident in the country; if no agent is appointed within one year of being notified, the application is deemed abandoned.
  • Power of attorney: A power of attorney must be annexed to each proceeding, even where the same attorney acts in several (Intellectual Property Code, Art. 30(1)). Notarisation or legalisation requirements were not confirmed.
  • Language: Portuguese; applications in another language must be accompanied by an official Portuguese translation (forms for regional and international applications may be submitted in English, French or Spanish with a Portuguese translation)

Firms on TrademarksHub that cover São Tomé & Príncipe can act as your local agent — see firms.

Madrid Protocol

São Tomé & Príncipe is a member of the Madrid System (in force since 2008). You can designate it in an international application filed through your home office, or file a national application directly. A local firm can advise which route is cheaper for your classes and timeline.

Trademark classes

Goods and services are grouped into the 45 Nice classes. Not sure which classes you need? See all 45 classes or classes by business type.

How São Tomé & Príncipe compares

Guides: registering in any country · costs by country · Madrid

Good to know in São Tomé & Príncipe

  • The Intellectual Property Code approved by Decree-Law No. 23/2016 entered into force on 9 February 2017 and covers trademarks alongside other IP rights.
  • São Tomé and Príncipe has been a Madrid Protocol member since 8 December 2008.
  • It is also reported to be party to ARIPO's Banjul Protocol on marks (since 2015), so it can be designated in an ARIPO regional application.
  • Publication in the Intellectual Property Bulletin counts as direct notification to the parties and starts the statutory time limits.
  • A registered mark can be used to refuse or annul a later, confusingly similar company name.

Questions

Is São Tomé and Príncipe part of the Madrid Protocol?
Yes. The Madrid Protocol has been in force for São Tomé and Príncipe since 8 December 2008.
Who registers trademarks in São Tomé and Príncipe?
Trademarks are registered by SENAPIQ-STP, the national intellectual property and quality service, under the Intellectual Property Code approved by Decree-Law No. 23/2016.
How long is the trademark opposition period in São Tomé and Príncipe?
Oppositions must be filed within three months of publication of the application in the Intellectual Property Bulletin, with one possible one-month extension.
Do foreign applicants need a local agent in São Tomé and Príncipe?
Yes. Applicants not established or domiciled in the country must act through an Industrial Property Agent resident there.
What language must a trademark application be filed in?
Applications must be in Portuguese, or accompanied by an official Portuguese translation.
How long does a trademark registration last in São Tomé and Príncipe?
Ten years, renewable for further ten-year periods.