Calfee, Halter & Griswold LLP | 5,136 followers on LinkedIn. Calfee, Halter & Griswold LLP is a full-service corporate law firm serving clients in the U.S. and globally. | Calfee, Halter & Griswold LLP is a full-service corporate law firm with 160 attorneys located throughout our Cleveland, Columbus, Cincinnati, and Indianapolis offices. As a founding member of Lex Mundi (http://www.lexmundi.com), we also offer international representation through a network of independent law firms with access to 22,000 attorneys located in more than 125 countries. Since 1903, Calfee has been providing meaningful legal counsel in matters that are critical to the success of our clients.