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

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.

6 months

via Paris Convention : 6 months from earliest priority date.

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

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.

• Authorization Fee: None
• Annuity: The applicant should pay the first annual fee at the beginning of the 5th year from the application date. If it is authorized at the beginning of the 5th year, it must be paid within 60 days from the date of granted. If the annual fee is overdue, it can be paid within 120 days of the overdue period. The annual fee can be paid for multiple years at one time.

8 months

• Grant fee: Authorization official fee should be paid within 2 months after receiving the granted notice.
• Annuity: should be paid after the patent is granted in Thailand. If the patent has been issued, the first annual fee should be paid within 60 days after the start of the fifth year of the patent validity period.