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Thailand patent application.

I. Types of Patents in Thailand

Patent types in Thailand include invention patents, utility models, and design patents.

II. Patent Application Pathways in Thailand

  • Direct application
  • Paris Convention route
  • PCT route designating Thailand (for invention patents and utility models)

III. Documents Required for Patent Application in Thailand

Invention Patent:

  1. Application documents: Thai version of the five-part specification (including description, claims, drawings of the specification, abstract, and abstract drawings);
  2. Application information: Name/names and addresses of applicant(s) and inventor(s), postal code, country of application, contact person, etc.;
  3. Priority documents;
  4. Power of Attorney (requires notarization).

Design Patent:

  1. Application information: Full names, nationalities, and addresses of the applicant entity and the designer(s);
  2. Drawings or photographs of the design: The applicant must submit a perspective view (exploded view) and six orthographic views (i.e., front view, rear view, left side view, right side view, top view, and bottom view). The dimensions and proportions of the seven views must be consistent;
  3. Brief description of the design and statement of claim;
  4. If priority is claimed, the filing receipt and priority document of the earlier application must also be provided;
  5. Signed and notarized Power of Attorney.

IV. Patent Application Process and Timeline in Thailand

Process:
Submit application → Formal examination → Publication → Opposition → Substantive examination → Grant / Issuance of certificate

Timeline:

Invention Patent
Acknowledgment receipt issued: 5-10 working days
Application to grant: Approximately 2-3 years
Validity period: 20 years

Utility Model:
Acknowledgment receipt issued: 5-10 working days
Application to grant: Approximately 2 years
Validity period: 6 years

Design Patent:
Acknowledgment receipt issued: 5-10 working days
Application to grant: 6-10 months
Validity period: 10 years

Note:
Thailand Department of Intellectual Property (DIP)
All the aforementioned timelines are subject to the actual examination situation by the authorities. Our company makes no guarantees regarding these timelines.


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