Which is the competent authority for utility model patent applications in Thailand?

6 months

5-8 years

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

If within 12 months before the filing date/priority date, the essence or details of the invention are maliciously disclosed, or exhibited by the inventor in an international or official exhibition, the invention does not lose its novelty.

yes. Patent applicants can change the patent type from invention to petty patent (utility model) before the patent application is granted. The converted patent application has the filing date of the original patent application.

no

yes. A patent applicant can convert the patent type from a petty patent (utility model) to an invention before the patent application is granted. The converted patent application has the filing date of the original patent application.

no

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.