Coughlin & Gerhart, L.L.P. C&G | Binghamton NY Attorneys, Lawyers, Law Firm, Personal Injury Coughlin & Gerhart is one of the most established law firms in NY’s Southern Tier and Northern PA, with experienced attorneys serving your diverse legal needs. Visit our central office in Binghamton, NY or those throughout the region, or call us at (607) 821-2202.