You don't; we have a program where you can apprentice for a certain number of years with a licensed attorney. Is that what you are doing? Nope. That's not required, either. Do you really even know what the requirements are to be an attorney in Oregon? You might be very surprised.
Looks like you just have to be over 18 and of good moral character, according to 9.250. And you have to pass the bar exam.