In recent years, the protection of scent marks has become a mandatory requirement in many free trade agreements (FTA), including the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP). This poses a challenge for some members of this agreement because only a few countries currently accept scent marks, excluding Malaysia and Vietnam. Therefore, in the process of admending the current intellectual property legal system in order to be consistent with the CPTPP, Vietnam has to establish a mechanism for protecting scent marks. Through studying the legal protection of scent marks in some countries such as USA, EU, Australia, Canada, the article will propose solutions for protecting scent marks in Vietnam in the future.