About Us The Law Office of P. William Bercik offers comprehensive legal services in regards to social security law, family law, estate planning and probate, and workers compensation. We are also very knowledgeable in Bankruptcy law, civil litigation, and criminal defense. With over 25 years experience in federal and state courts, we have what it takes to find a solution to your legal matter. If you are looking for an attorney in and around Pittsburgh, PA, call the Law Office of P. William Bercik today!