Tran T. Unregistered trademarks also need legal protection: An approach from the U.S. law. VNUHCM Journal of Economics, Business and Law [Internet]. 28Nov.2018 [cited 31Mar.2026];1(Q5):69-3. Available from: http://stdjelm.scienceandtechnology.com.vn/index.php/stdjelm/article/view/492