Thailand

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Foreign filing information

PCT national stage entry

european validation Direct file pct stage

TH

Filing requirements

Deadline: 30 months
Power of Attorney: Yes
Assignments: Yes*
Language: Thai
Translation Extension: No
Excess Claims Fee: No
Examination Request: Deferred

Country notes

    *The Power of Attorney requires a simple notarization. Assignments do not need to be notarized.

  • Title, abstract and claims must be translated by the national stage deadline. National stage entry in Thailand should ideally be instructed at least a clear week before the deadline.

Direct (Paris Convention) filing

european validation Direct file pct stage

TH

Filing requirements

Power of Attorney: Yes*
Assignments: Yes**
Language: Thai
Excess Claims Fee: No
Examination Request: Deferred

Country notes

    *The Power of Attorney requires a simple notarization and must be filed within 90 days counted from the filing date.

    **Assignments must be signed by the assignor(s) and the assignee(s), but do not need to be notarized. Assignors can sign on separate Assignment forms, although each separate form must contain the assignee’s signature.

  • If the applicant and the inventor is the same person, the applicant must submit a signed Statement of the Applicant’s Right. This does not need to be notarized.

  • A certified copy of the priority document is due within 16 months from the priority date (with details needed at filing).

  • Translation or the Forms can be submitted late (within 90 days after the filing date), subject to additional charges of USD 120.

  • Unlike PCT national phase entry in Thailand, the Thai translation of a patent application can be filed within 90 days after the filing date in Thailand.