Walsh lawyers Liza M. Walsh, Tricia B. O’Reilly, and Marc D. Haefner, worked with lawyers from Cleary, Gottlieb, Steen & Hamilton, in successfully defending on appeal the lower court’s summary judgment in favor of Sanofi-Aventis U.S., LLC in Eisai, Inc. v. Sanofi Aventis U.S., LLC, No...