Dinsmore is a large U.S. law firm headquartered in Cincinnati, Ohio. It is an AmLaw 200 and National Law Journal 250 firm, and has been named to the U.S. News & World Report and Best Lawyers Best Law Firm lists. The firm consists of more than 725 attorneys practicing in 29 cities throughout Ohio, California, Colorado, Connecticut, Georgia, Illinois, Indiana, Kentucky, Massachusetts, Michigan, Pennsylvania, West Virginia and Washington D.C.