
Renewal window for Thai trademark registrations
A registered mark lasts ten years from the Thai filing date. The renewal can be filed in the window before that date.
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Filing a trademark in Thailand when the mark is already in use abroad
Thailand is a first-to-file country. A mark already used abroad should be filed here before someone else files it.
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Recording a trademark assignment at the DIP
A pending application or a registered mark can be assigned. The assignment is recorded at the Department of Intellectual Property.
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What a Thai patent must show
A patent needs novelty, an inventive step, and industrial application. The term is twenty years from the Thai filing date.
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Design filing drawings: what the application should show
A design patent protects the appearance shown in the drawings. The views should present the shape, pattern, or colour claimed.
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Choosing a patent or a petty patent
The same invention takes one route. A petty patent does not require an inventive step. A pending case can be converted in the cases the Act allows.
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Petty patent term and the two renewals
A petty patent runs six years from the Thai filing date and may be renewed twice, for two years each time.
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Priority documents for a Thai patent filing
A patent or petty patent can claim priority within twelve months of the first foreign filing. A design has six months.
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How a design patent differs from a trademark
A design protects the look of a product for ten years. A trademark protects a sign that distinguishes goods or services, and it can be renewed.
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Power of attorney formalities for foreign applicants
A foreign applicant files through a local agent. The power of attorney is signed by an authorized person and notarized.
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Searching a mark before the Thai filing date
A mark must not be identical or similar to a mark already registered by another person. An availability search is made before filing.
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Annuity payments after a Thai patent is granted
A granted patent stays in force for up to twenty years from the filing date when the annual fees are paid.
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