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.
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.
not applicable. Designs disclosed to the public prior to filing are not eligible for application.
- 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.
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.
6 months
5-8 years
Reinstatement of priority on grounds of "due care" accepted.
10 years
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.
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)