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.
via Paris Convention : 6 months from earliest priority date.
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.
8 months
no
no
no
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.
- 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.
no
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.