Thailand is now a member of the Patent Cooperation Treaty (PCT) and has opened its Receiving Office (RO) for international patent applications.
Under the Ministerial Regulation re: Filing of Patent Applications for Inventions under the Patent Cooperation Treaty, dated October 30, 2009, international patent applications have been able to be filed with the RO since December 24, 2009.
An international application must include the application form and the specification, claims, drawings (if any) and abstract of the invention. The application and supporting documents must be filed in Thai or English in three sets for: (1) the International Bureau (IB), (2) an International Search Authority (ISA) and (3) the RO.
PCT, patent filing