The article considers the main provisions of the legislation of the ASEAN countries in the field of technology transfer (within the framework of foreign investments projects, by other means). The authors study the regulatory prescriptions in the corresponding sphere at the international, regional and national levels. What is understood under the technology transfer is studied. The creation and activity of enterprises with foreign capital and the peculiarities of contractual arrangements of the technology transfer are emphasized; some aspects of the privileged mode for joint-venture enterprises with foreign companies and sale to the local enterprises under licenses in the form of (non-)patented know-how are covered. The conclusions of the provided material are made. © Serials Publications Pvt. Ltd.