If you need legal help or advice, you need a lawyer. People use lawyers for many reasons – business reasons—business and personal. Lawyers deal with a wide range of cases including wills, real estate, leases, contracts, separation agreements, divorces, and car accidents. Lawyers also work on criminal cases like impaired driving and assault. Lawyers are trained to understand and interpret the law. They defend your rights and tell you how the law applies to your business or personal situation.