Course Index Class 4. Market Definition & Market Power II a Market Definition Credit Card Cases Epic Games United States v. Visa U.S.A., Inc., 344 F.3d 229 (2d Cir. 2003) 205.38 KB Download Ohio v. American Express Co., 138 S.Ct. 2274 (2018) 116.75 KB Download Only registered users have access to this content. Login