Attorney Peter Olson at Closing Real Estate in Chicago offers a ten point list of protecting and enhancing a client's real estate transaction. The nod is towards what an attorney should be doing for his/her clients.
As an agent, I should know what an attorney can do for my clients as well! That is, the agent and attorney should be a team, pulling out the stops for their clients. On the buy or sell side, an agent should have a plan. If the agent and attorney have a good relationship, less detail will be missed and the client will benefit.
The above linked article is a good example of the complex inside steps both a good attorney and agent will help you manuever... if you know they are or not.