A mark, symbol, or seal utilized in conjunction with goods or services is subject to protection under the Trademark Act B.E. 1991, as amended by the Trademark Act (No. 2) B.E. 2000 and the Trademark Act (No. 3) B.E. 2016. The protected marks encompass four distinct types, namely: 1. Trademark 2. Service mark 3. Certification mark 4. Collective mark.