First of all, the judicial examination is very difficult. If you are under great pressure at work, it is even more difficult to take the judicial examination while working. So it's up to you whether you can get a double certificate or not.
Secondly, not everyone is suitable to be a lawyer. Your undergraduate degree and master's degree are both engineering courses, which is your advantage as a patent agent. There is no need to follow suit. The key is to grow up.