ELECTRIC BRAKE DEVICE WITH PARKING FUNCTION

An electric brake system with a parking function is provided which is capable of preventing untimely release of the parking brake if the brake pedal is operated when the parking brake operation has completed. The electric brake system includes a service brake control means for actuating an electric motor (1) when a brake pedal (81) is operated, a parking brake control means configured, when there exists a request to apply a parking brake, to actuate the electric motor (1), and with the motor (1) being actuated, move a locking pin (65) from an unlocking position to a parking/locking position, and a motor actuation prohibiting means for prohibiting the actuation of the electric motor (1) by the service brake control means even if the brake pedal (81) is operated, while the vehicle is determined to be at a stop and when the parking brake operation has stopped.