If you are serious about becoming a paralegal, it would be wise to specialize in a healthy and growing area of the law. The types of paralegals in greatest demand appear to be those who have specialized in: litigation, corporate, real estate, intellectual property, immigration, and trust and estates. Make yourself irreplaceable by anticipating what the lawyer needs and by being extremely organized. Working as a paralegal is also a great way to discover if you'd like to be a lawyer.
A paralegal is someone who performs delegated legal work for which a lawyer is ultimately responsible.