Which is the competent authority for invention patent applications in Thailand?

The initial period of protection is 6 years, which can be renewed twice, up to a maximum of 10 years.

DIP only conducts formality examination for utility models, and the documents can be authorized if they meet the formality examination standards. If litigation or evaluation of the stability of utility model Claim is required, the applicant may submit a request for substantive examination within one year after the granted announcement.

DIP conducts substantive examination of design patent applications, and only examines whether the conditions of novelty and industrial applicability are met.

The DIP conducts formality examination and substantive examination of the invention patent application. The formality examination generally takes 1-1.5 years. After the completion of the preliminary examination, the patent application will be published and enter a 90-day opposition period. The applicant can only submit a substantive examination request within 5 years after the application is published, and the examination results of other countries such as Japan, the United States, the United Kingdom and Europe need to be provided to the DIP.

10 years

5-8 years

Intellectual Property Office of the Ministry of Commerce of Thailand

English: Department of Intellectual Property, abbreviation: DIP

Website: Home (ipthailand.go.th)

Thailand Invention Patent Search: DIP (ipthailand.go.th)

• via Paris Convention : 12 months from earliest priority date.
• via Nationalization of PCT : 30 months from the earliest priority date.

Reinstatement of priority on grounds of "due care" accepted.

via Paris Convention : 6 months from earliest priority date.