Patent ID: 7096268

Claim:
A data processing method for executing a process on copyrighted data within an obtained right, said method comprising: storing the data; storing a process right that is required for executing the process on the data stored in said storing of the data; inputting an instruction for the data stored in said storing of the data; determining, based on the process right stored in said storing of the process right, whether the instruction is to be executed or not; executing the instruction; and displaying the process right stored in said storing of the process right on a screen, wherein the process right stored in said storing of the process right specifies a number of executions, wherein said displaying of the process right displays on the screen as many icons as the number of executions specified by the process right, wherein the process right comprises a check-out right representing a right to copy the stored data to a removable storage medium, and wherein said displaying of the process right displays at least one of “check-out is possible”, “during check-out”, and “check-out is impossible” with respect to the check-out right.