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.
Reinstatement of priority on grounds of "due care" accepted.
no
20 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)
6 months
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.
10 years
no
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.