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Sao Tome and Principe (ST)
Classification
Nice, 12th ed.
Filing
multi-class
Local Agent
Yes
Official Examination
formal, absolute grounds
Opposition Period
3 months
from publication date of trademark application
Use Requirements
5 yrs
Duration
10 yrs
from registration
Renewal
10 yrs
Maintenance
none
Non-Trad. TMs
3-D, colours, sounds
GRR
Yes
Remarks
Trademark Assignment is allowed with or witout the transfer of the undertaking.
Agreements
Madrid System
Banjul Protocol
All information is provided without guarantee. Last updated: 25 Apr 2026.
