A: Applicant who does not live in Thailand should appoint the proxy who lives in Thailand and has a qualification of patent attorney.
However, regarding trademark, a person who has an office in Thailand or has an address can apply by proxy without qualification of patent attorney.
Application language of the patent and utility model is Thai or foreign language and in the case applying in foreign language should submit the translation within 90 days from the filling date.
Regarding the design and trademark, can only be applied in Thai language.