Authentication chain for IP Assignment / Trademark bound for Portugal
Portugal is a member of the Hague Apostille Convention — therefore IP Assignment / Trademark must pass through: Notary Public → MFA Thailand → Apostille (for Portugal).
Once the MFA issues an Apostille, Portugal accepts it directly — no further embassy step required, saving 1-2 weeks and embassy fees.
Our team refreshes Portugal requirements quarterly to avoid bounce-back on format changes.
About IP Assignment / Trademark
Notarisation of trademark/copyright/patent assignment agreements.
Common reasons clients prepare IP Assignment / Trademark for Portugal: Trademark recordal USPTO/EUIPO · Patent assignment · Copyright transfer สำหรับ M&A.
Source documents to bring: สัญญาโอนสิทธิ์, ทะเบียน TM/Patent, พาสปอร์ตผู้ลงนาม.
Total cost and timeline
Notary Public: quoted on request — turnaround 1 วันทำการ.
MFA Consular Affairs (Chaengwattana): quoted on request per stamp (standard) or quoted on request (express) — 2-3 business days (1-day express available).
Apostille included with the MFA step — no embassy fees.
Total ~5-7 business days · Express ~2-3 days.
Document checklist
- Original IP Assignment / Trademark (or copy to be certified)
- Signer's Thai ID / passport
- State Apostille as the destination
- Power of attorney (if our runner files on your behalf)
- Certified translation (if the destination requires local language)
FAQ
Will my IP Assignment / Trademark be accepted in Portugal?
Yes — after the Apostille, Portugal accepts it directly with no extra embassy step.
Total turnaround?
5-7 business days · express in 2-3 days.
Total cost?
Notary quoted on request + MFA quoted on request per stamp (standard) or quoted on request (express) (includes Apostille).
Does an Apostille expire?
The Apostille itself does not expire, but many receiving authorities want documents dated within 3-6 months — verify with the recipient.






