Mr. Corse was admitted to practice in 1965. His primary areas of practice are litigation, including insurance defense litigation, as well as municipal law, family law and zoning. He has been active in both his local and state Bar Associations. He is a former Treasurer of the Pennsylvania Bar Association and a Past President of the Pennsylvania Bar Institute, the Education Arm of the Pennsylvania Bar Association. In 2002, he was awarded the Gilbert Nurick Award by the Pennsylvania Bar Association in recognition of his work with the Pennsylvania Bar Association. He is the former chair of the Pennsylvania Bar Association Legal Ethics and Professional Responsibility.

Mr. Corse is admitted to practice before the Supreme, Superior and Commonwealth Courts of the Commonwealth of Pennsylvania, the United States Court of Appeals for the Third District and the United States District Courts for the Western and Middle Districts of Pennsylvania. He is a frequent lecturer at PBI Continuing Legal Education Courses.