My lawyer began my case for work place discrimination. He told me he would take it on contingency. Then half way through the case he presents me a bill for the hours he has worked on the case. I disputed the fees and decided to use another lawyer. I did not sign a retainer agreement with him. How do I contest the fees? I believe I owe him nothing as I was on contingency.He also said he would look to take other measures to get this money. What could these other measures be? I have since asked him for the retainer and he acknowledges that there is no retainer but has threatened to take 'other measures' to get the bill paid. I am appalled by his behaviour.