SAO TOME AND PRINCIPE

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Patent

Forms part of

  • ARIPO
  • OAPI
  • PARIS CONVENTION
  • PCT
  • SAO TOME AND PRINCIPE
  • ARIPO
  • OAPI

ARIPO
Paris Convention
PCT

ARIPO patents
National patents

Absolute 

Twelve months

Formal application (to SENAPI).
Search (upon Examiner’s discretion)
Substantive examination (ARIPO or SENAPI).
Amendments upon Director’s request.
Opposition period starting three months after publication.
Grant after end of opposition period.

Duration is twenty years from the filing date of the application.
Annual maintenance fees are due from the third anniversary of the filing date.

No, although public interest grants of compulsory licence are possible.