I think this comes under intellectual property law in the DR: copyright, trademarks, patents that sort of stuff. Some material on Dr. Guzman's website:
Trademarks in Dominican Republic
and here
Dominican Republic, Intellectual Property, Copyright Protection Reaches New Heights In The Dominican Republic - Pellerano & Herrera - 15/10/2003, Copyright
But wait for Dr. Guzman to update you because I think some areas got changed by DR-CAFTA
Business Law in Dominican Republic