The public can access files and documents for cases filed with the Washington Supreme Court and the Washington Courts of Appeal after January 1, 2020 through the Court’s new Appellate Court Public Document Portal. You will need to know the case number you want to research. This system does not provide access to trial court documents, so you will need to contact the specific trial court for those materials. Search for Supreme Court case information here. Search for Appellate Court information here. Learn more about the new portal by reviewing the FAQs here.