A mobile terminal apparatus is provided to process a copyright-protected content based on rights that permit the processing of the content. The mobile terminal apparatus includes a priority information selecting unit selecting a piece of priority information associated with one of many processing conditions for the content to be processed, from among pieces of priority information for determining a priority for each of the rights. The mobile terminal apparatus also includes a right selecting unit determining a priority of each of the rights based on the selected piece of priority information, and selecting a right having a highest priority among the rights, according to the determined priority. The mobile terminal apparatus also includes a content processing unit processing the content based on the selected right.