To provide an overview


*     to help you know when you need professional advice


*     to help you understand and make good use of the advice you get






Making the contracts you want to make, and avoiding the commitments you don't want to accept






Avoiding infringement of the rights of others, and giving adequate notice to others of your rights that you may want to enforce






Complying with regulations


*     So as to avoid penalties


*     So that your rights are enforceable