You should search for "lemon lawyers" or consumer protection lawyers in Oregon who work on contingency.
I am only licensed in WA State. This is only my general observation about the law and my experiences as a practicing attorney. This is not legal advice and should not be construed as legal advice. This does not create an attorney client relationship. If you wish to obtain legal advice or create an attorney-client relationship, then you should directly contact a lawyer licensed in your state who you believe possesses the knowledge and experience to assist you with your case.Ask a similar question