Finding a good personal injury attorney is the most important thing that you can do for your case. It is not just good enough to show that you were injured; you must in court prove different elements. Some examples would be intentional, negligent, and strict liability. After you prove one of the three then you must go on to other elements to show damages and other legal definitions of the law. You should only use an Experienced California Personal Injury Attorney that specializes in the type of injury that you have experienced. I would make sure to check his references out well, and his track record.
Once you select an attorney it is difficult to change in the middle of case if you find out he has poor services. I found this article on selecting a California Personal Injury Attorney and would recommend that you read. It has a lot of good information about finding the right California Personal Injury Attorney. My experience in this matter is some attorneys like to take the case but wait till the very end to put any work into them hoping they can settle with minimal effort not allowing you the full compensation you deserve. You want to choose your attorney very carefully.