Just in case you want to hear from a non-real estate agent, each of the two answers below is correct:
No one here can really answer your question, other than to tell you anyone can sue anyone. The real question is: do you have a case that will convince the arbitrator/judge/jury you are correct? The next question is what monetary damages have you suffered? The next question is whether the amount you MIGHT be awarded, if you are correct and the amount of your loss is determinable, is worth the hassle of spending months in the legal system?