The digitizer that reacts to only the special unpowered pen is patented. Wacom does not license it. So a third party can only make due with a battery-powered pen.
While they are trying to make a lousy solution work better, Wacom can spend it's time further perfecting their induction driven pen.
While they are trying to make a lousy solution work better, Wacom can spend it's time further perfecting their induction driven pen.