Patent Filing in Sao Tome and Principe
File your PCT national phase application in Sao Tome and Principe with the Industrial Property National Service (SENAPI), Sao Tome and Principe through AnalystIP, within 30 months from the priority date. Every requirement below is taken from the WIPO PCT Applicant's Guide and kept up to date by our team.
When is your national phase deadline in Sao Tome and Principe?
Enter the earliest priority date of your PCT application (or the international filing date if there is no priority).
Patent filing in Sao Tome and Principe: key facts
20 years from the international filing date
Official fees for patent filing in Sao Tome and Principe
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National phase entry requirements
Standard PCT time limits shown; the office has not notified different limits.
Also available through ARIPO (31 months).
Other information
- No national chapter content: summary, procedure and Annex ST.I (fees) read 'Information not yet available'
- ARIPO protection (AP) also available
- Inventor name and address must be in the request; otherwise Office invites within two months
Source: WIPO PCT Applicant's Guide, national chapter, updated March 20, 2025.
Patent filing in Sao Tome and Principe: questions
What is the deadline for PCT national phase entry in Sao Tome and Principe?
30 months from the earliest priority date.
How much does patent filing in Sao Tome and Principe cost?
The cost is the official fees of the patent office plus professional fees. The standard official fees from WIPO are listed on this page; the calculator works out the exact official fees for your application (pages, claims, applicant type) after a quick email check, and our team sends a full quote on request.
File in Sao Tome and Principe with AnalystIP
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