Trademark Act B.E. 2534 (1991), as amended
Sets registrability, opposition and the renewable protection term.
Northern Thailand — Chiang Mai
Intellectual Property in Chiang Mai
Trademarks, copyright, patents and enforcement
Why Chiang Mai matters are different
Chiang Mai is the administrative, academic and tourism hub of northern Thailand and home to a large long-stay foreign community. Legal work here spans local business and land matters as well as documents, visas, marriage and succession for long-term foreign residents. Because regional courts and agencies are located in the province, many matters can be completed locally without travelling to Bangkok.
Acquiring and protecting IP rights: pre-filing searches, registration, renewal, licensing agreements, and civil or criminal action against infringement.
- Many Chiang Mai plots sit in use-restricted zones or carry title documents other than a full chanote, so the title type must be checked before any contract.
- The large long-stay foreign community drives demand for bilingual wills, powers of attorney and documents for use in the client’s home country.
- Hotels, restaurants and tourism businesses rely on long leases, raising lease registration and renewal issues.
- Regional administrative and labour courts sit in the province, so those cases need not be filed in Bangkok.
Courts and authorities in Chiang Mai
Jurisdiction and filing requirements should be confirmed for each matter, because practice and required attachments differ between offices.
| Court / authority | What it handles |
|---|---|
| Chiang Mai Provincial Court and Chiang Mai Municipal Court | Civil and criminal cases within Chiang Mai province |
| Chiang Mai Juvenile and Family Court | Divorce, custody and family matters |
| Labour Court Region 5 | Labour cases in the upper northern region |
| Chiang Mai Administrative Court | Challenges to state decisions in the northern region |
| Chiang Mai Legal Execution Office | Seizure, garnishment and auction of local assets |
| Chiang Mai Provincial Land Office and branch offices | Registration of land and condominium transactions |
| Chiang Mai Immigration Office | 90-day reporting, extensions of stay and residence notification |
| Chiang Mai Provincial Commercial Office | Local business registration services |
What we handle in Chiang Mai
- Trademark searches and registration in Thailand
- Madrid System filings for multi-country protection
- Copyright recordation and protection of creative works
- Invention patents, petty patents and design patents
- Licence, assignment and franchise agreements
- Infringement actions, cease-and-desist letters and court enforcement
The local process, step by step
- 1Search for conflicts and assess registrability
- 2Classify goods and services to match the actual business
- 3File and respond to examiner office actions
- 4Handle objections and oppositions
- 5Monitor renewals and watch for infringement
Documents to prepare
- Image file of the mark to be registered
- List of goods and services actually used
- Company affidavit or ID of the applicant
- Power of attorney for the agent
- Evidence of prior use where available — packaging, advertising, invoices
Points to watch
- Publicly disclosing an invention before filing destroys novelty.
- Thailand is a first-to-file jurisdiction; delay is risky.
- Purely descriptive marks are usually refused — check before investing in branding.
Typical timeframe
Thai trademark registration typically takes from several months to over a year when unopposed.
Timeframes are indicative and depend on the court calendar and the authority handling the matter in Chiang Mai.
Areas of Chiang Mai we regularly serve
เมืองเชียงใหม่นิมมานเหมินท์สันทรายหางดงสารภีแม่ริมดอยสะเก็ดสันกำแพงแม่แตงฝาง
Laws that govern this matter — Chiang Mai
Summarised for general understanding only. The application of each provision depends on the facts of your case.
Patent Act B.E. 2522 (1979), as amended
Protects inventions and designs; public disclosure before filing can destroy novelty.
Copyright Act B.E. 2537 (1994), as amended
Protection arises on creation without registration, though recordal helps with evidence.
Example situations and how they are handled — Chiang Mai
These are constructed examples used to explain procedure. They are not client matters, and no outcome is implied or guaranteed.
Illustrative scenario: a similar mark was registered first
Situation: A business used its brand for years without registering, then finds a similar mark registered by another.
Usual approach: Assemble prior-use evidence (invoices, advertising, first-use dates) and assess opposition or cancellation within the statutory windows. (Hypothetical.)
Advice for your specific situation — Chiang Mai
Brand owners
- Search before investing in a brand — rebranding later costs far more.
- Register for the goods/services actually used — neither too broad nor too narrow.
Creators and inventors
- Do not publicly disclose an invention before filing.
- Use clear assignment clauses with freelancers and staff so rights do not end up split.
Every matter — what to do in the first 7 days
- Gather every original document in one place, keep scanned copies, and note the date you received each one.
- Write a dated timeline — the date you received a notice or learned of the event usually starts the limitation or appeal clock.
- Do not sign a settlement, debt acknowledgement or withdrawal before a lawyer reviews it — it may extinguish existing rights.
- Preserve digital evidence unaltered (full screenshots, original files, emails with headers) — edited files are easy to challenge.
Questions people in Chiang Mai ask
Must this be filed in Bangkok, or can it be done in Chiang Mai?
Most matters can be handled locally: Chiang Mai has provincial, municipal, family, regional labour and administrative courts as well as a legal execution office. Exceptions are matters the law assigns to central bodies, such as MFA document legalisation.
Can a foreigner living in Chiang Mai make a will or grant a power of attorney?
Yes. The document must follow the correct Thai statutory form, and if it will also be used abroad, translation and certification should be planned from the outset to avoid redoing it.
Buying land or a house in Chiang Mai — what should I watch for?
Check the title type, legal access, zoning and use restrictions, and any registered encumbrances before paying a deposit — these are hard to fix after signing.
Does a Thai registration protect me worldwide?
No. Rights are territorial; foreign protection requires national filings or a Madrid application.
Must copyright be registered?
Copyright arises automatically on creation; recordation with the DIP is evidentiary only.
Same service in other provinces
Other legal services in Chiang Mai
Litigation & Court Representation — Chiang MaiCivil, criminal, labour, family, succession and land disputesCorporate & Commercial — Chiang MaiIncorporation, contracts, foreign business, BOI and complianceImmigration & Foreign Nationals — Chiang MaiVisas, work permits, residency and lawful statusLand & Real Estate — Chiang MaiTitle due diligence, sale, lease and transfer at the Land OfficeFamily & Succession — Chiang MaiMarriage, divorce, custody, wills and estate administrationMediation, Arbitration & Enforcement — Chiang MaiResolving disputes outside court and making awards effectiveNotarial Services & International Documents — Chiang MaiSignature and document certification, translation, consular and embassy legalisationBOI Promotion & Foreign Business Licensing — Chiang MaiStructuring foreign investment in Thailand correctly from day one.
Discuss your Chiang Mai matter with an attorney
Tell us the facts and we will explain which authority applies, what documents are needed and the realistic timeframe.