Well, it is more depend on yourself

A good lawer cannot change the facts. So if your case is weak, no one can help. You can post your basic, publicaiton, position, award, no specifid necessary. We can helpt to evaluate.

Even with a good lawyer, most of the petition work is drafted by you. Because no one can describe what you do or how good you are except you. So be prepared to work a lot on your own case. Most people failed have a common problem is too much dependence on lawyer.