La. Stat. tit. 51 § 293
The terms "Superdome", "Louisiana Superdome", "Dome (d) Stadium", "Louisiana Dome (d) Stadium" and "Louisiana Dome" and marks including the symbol or image of the general design, appearance and/or configuration of the stadium facility being constructed by the Louisiana Stadium and Exposition District in New Orleans, Louisiana, and the following logo--"L'S", and terms and marks which include any of the foregoing are hereby reserved to the Louisiana Stadium and Exposition District as trade names, trademarks and service marks in all fields of commerce in the state of Louisiana; and firms, partnerships, corporations, associations or other organizations to utilize the foregoing trade names, trademarks or service marks in connection with the manufacture, sale and/or distribution of goods or with the providing of services.
La. R.S. § 51:293