About Us Whether you’re searching for legal guidance in or out of the courtroom, DeRiso, DeRiso, and Jeffries will represent you with integrity. With over 100 years of combined experience, you can trust the attorneys of our Pittsburgh, PA office to have the strong background necessary in reaching an optimal outcome in your case. Our law firm has grown on the founding principle of fully serving the needs of our clients and holding their experience as a top priority. No matter if you are seeking counsel in family law matters, pursuing proper compensation in a personal injury case, or building a defense to a criminal charge, we are fully prepared to provide aggressive and professional representation. Learn more about our proven success today!