The DIP conducts formality examination and substantive examination of the invention patent application. The formality examination generally takes 1-1.5 years. After the completion of the preliminary examination, the patent application will be published and enter a 90-day opposition period. The applicant can only submit a substantive examination request within 5 years after the application is published, and the examination results of other countries such as Japan, the United States, the United Kingdom and Europe need to be provided to the DIP.
8 months
no
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.
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.
Filing Language: Thai
via Paris Convention via Nationalization of PCT Necessary documents:
- Abstract
- Abstract Drawing
- Claim
- Specification
- Drawing
Necessary documents:
- Abstract
- Abstract Drawing
- Claim
- Specification
- Drawing
Attachments (if any)
- Power of Attorney
- Certified Priority Document
- Declaration of Ownership/Certification of Employment/Assignment of priority
- Assignment for Patent Right Transfer
- Notification issued by CNIPA notify the applicant the application has passed through the security review
Business license for company registration or articles of incorporation
*Thailand patent application documents need to be notarized
Attachments (if any)
- WIPO Publication
- ISR/IPRP
- Entering the Thai national phase 19/28/34/41 amended
- Declaration of Ownership/Certification of Employment/Assignment of priority
- Assignment for Patent Right Transfer
- Business license for company registration or articles of incorporation
*Thailand patent application documents need to be notarized
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.
The initial period of protection is 6 years, which can be renewed twice, up to a maximum of 10 years.
DIP conducts substantive examination of design patent applications, and only examines whether the conditions of novelty and industrial applicability are met.
no