What types of patents are available in Thailand?

Thailand offers three main types of patents: Invention Patents (20 years), Petty Patents (10 years), and Design Patents (10 years), each with specific requirements for novelty, inventive step, and industrial applicability.

What are the main options for filing an Invention Patent application in Thailand?

You can file via Direct Filing, Paris Convention Filing, or PCT National Phase Entry depending on your international filing strategy and priority claims.

Is it necessary to hire a local patent agent in Thailand?

Yes, a registered Thai patent agent is required for applicants without domicile in Thailand. A notarized Power of Attorney must be submitted.

What is the primary deadline for PCT National Phase entry in Thailand?

You must enter the Thai national phase within 30 months from the earliest priority date. Extensions are rarely granted.

Can I still enter the Thai national phase if I miss the 30-month deadline?

Only through a reinstatement request showing due care. This is difficult and rarely successful.

When do I request substantive examination for an invention patent in Thailand?

The request must be filed within 5 years of publication. Late filing leads to abandonment.

Thailand Patent & IP Resources

Welcome to the Thailand Patent & IP Resources hub – your essential toolkit for navigating intellectual property in Thailand. Whether you're an inventor, a business professional, or a legal expert, this comprehensive section offers direct access to key information, practical tools, and authoritative links to help you understand and manage your IP assets in Thailand and globally.

From understanding fundamental IP concepts to navigating official processes, our curated resources are designed to streamline your IP journey and empower your decision-making.

Frequently Asked Questions (FAQs)

Got questions about patent applications, common IP challenges, or specific nuances of Thai IP law? Our extensive FAQ section provides clear, concise answers to the most common inquiries, helping you quickly grasp complex legal concepts.

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Glossary of IP Terms

Intellectual property law uses specific terminology. Our easy-to-understand glossary defines essential terms—from "prior art" to "PCT National Phase" — ensuring you have a clear grasp of the language of IP in Thailand and internationally.

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Key IP Offices & Search Databases

Access a vital collection of external tools for your research and official interactions. This section provides direct links to major international and national patent offices, alongside leading public patent search databases to assist you in your IP investigations.

🌐 View Offices & Databases

International IP Treaties

Deepen your understanding of the global IP landscape. This section provides overviews, summaries, and links to the official texts of key international intellectual property treaties and conventions to which Thailand is a signatory, outlining their significance and impact.

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Forms for Patent Protection

Navigate the practical aspects of IP protection with our collection of official forms for invention, petty, and design patents. Here, you'll find direct links to the Thai Department of Intellectual Property (DIP) forms to assist you in various stages of the patent process in Thailand.

📄 Access Official Thai Patent Forms

We are committed to continuously expanding and updating this resource library to best serve your needs. We welcome your suggestions for additional resources that would further benefit the IP community. Feel free to contact us.