A founding member of the firm, McErlane has concentrated his practice in the area of general business, finance, real estate, municipal and governmental regulations. He is an Eagle Scout and was in the U.S. Navy JAG 1967-1970, with one year in Vietnam.

The Pennsylvania Supreme Court appointed McErlane to the Judicial Conduct Board with one term as chair of the board. Previously he served on the Hearing Committee of the Lawyers Disciplinary Board. Jim also sat on the Judicial Nominating Advisory Panel for the US Federal Court for the Eastern District of Pennsylvania. He is also a member of the Chester County, Pennsylvania, and American Bar Association.