Nowadays tradename plays an important role commerce since most developing countries recognized tradename as one of the industrial property This was evidenced by the many countries co-signing the Paris Convention for the Protection of Industrial property 1883 Thailand adopted tradename protection with a general doctrine based on its Civil and Criminal Codes which is ambiguous and unclear in wording and there is no definite criteria for consideration because Thailand Civil and Criminal Code laws are genneral principles of laws. From Study and analysis made with the aim of finding out whether the present principles of laws used as general guidiance for the protection of tradename is suitable or not and whether it is appropriate to amend or make addition to the principles or legal doctrines so as to come up with effective measures in protection of tradename. We arrived the following conclusions : 1. Lacking in clarity and uncertainty in the referenced laws for protection of tradename which either causes dispute pertaining to exercising of right under court proceedings or the right to file application in order to obtain protection under the laws. 2. There is delay in court proceedings for those who file claim in order to protect their interest and hence causes damages against the business of the owner of the tradename. 3. There is a conflict in matter of tradename. There are still different legal opinions in the respect. 4. Present principles and rules in controlling registration of tradename is not suitable. For the reasons stated above, I would like to propose the following :- 1. There should be provisions which lays down a clear and precise definition of a tradename so as to eliminate dispute in assessing the right under court proceedings as well as doubt as to who is the real owner of a tradename. 2. As damages must occur to the business of the real owner of a tradename, therefore, court procedures should be shortern and the case concluded faster. 3. New proposals of legal doctrine in protecting rights of a tradename should be made so as to obtain full and efficient protection of tradename .4. Improving registration procedures for tradename to reduce complicated registration procedures or procedures in considering similarity with or differences from tradename previously registered. This will benefit not only completion trade but also the public as well.