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Patent Information

International and Regional Arrangements:

  • Paris Convention: Yes
  • PCT: Yes (national phase deadline is 30 months from the priority date)
  • ARIPO: Yes (see ARIPO requirements for designating São Tomé & Príncipe in an ARIPO application. However, for PCT national phase applications, São Tomé & Príncipe can only be designated if the international application was filed after 18 August 2014).
  • OAPI: No

Filing Requirements:

  • Portuguese translation of specification, claims, drawings and abstract
  • Published PCT application
  • International Search Report and International Preliminary Examination Report (no set deadline)
  • Power of Attorney, simply signed (no set deadline)
  • Assignment of Invention or certified copy thereof (no set deadline)
  • Certified priority document with verified Portuguese translation of the covering page (no set deadline)

Novelty:   Absolute novelty is required

Patentability:   Methods of medical treatment, surgery or diagnosis are not patentable

Excess Fees:   None

Examination:   As to form only

Term of Patent:   20 years from the effective filing date

Renewals:   Payable annually from the first anniversary of the effective filing date

General Information

  • Area: Approximately 1000 km2
  • Population: 0.2 million
  • Capital: São Tomé
  • Currency: Dobra
  • GDP:  $ 316.9 million (2010)
  • Domain name extension: .st
  • Languages: Portuguese (official language)
  • Exports: Cocoa; copra; coffee; palm oil
  • Imports:  Machinery and electrical equipment; food products; petroleum products

International / Regional Conventions: 

  • Hague Agreement on Designs
  • Madrid Protocol on Marks
  • Paris Convention
  • Patent Cooperation Treaty
  • WIPO Convention