2J. Thomas McCarthy, McCarthy on Trademarks and Unfair Competition 23:10 (4th ed.), "I. Test of Likelihood of Confusion A. Keystone of Infringement" .
3Ameritech, Inc. v. American Information Technologies Corp., 811 F.2d 960, 1 U.S.P.Q.2d 1861 (6th Cir. 1987).
4Imperial Toy Corp. v. Ty, Inc., 48 U.S.P.Q.2d 1299, 1998 WL 601875 (N.D. Ill. 1998). Long & Marks, "Reverse Confusion: Fundamentals and Limits," 84 Trademark Rep. 1, 28 - 29 (1994).
5See Molly S. Cusson, Reverse Confusion: Modifying the Polaroid Factors to Achieve Consistent Results, Fordham Intellectual Property, Media and Entertainment Law Journal, Autumn, 1995, at 186.
6See International News Service v. Associated Press, 248 U.S.215, 247(1918).
7See Westward Coach Mfg. Co. v. Ford Motor Co.,388 F.2d 627,631(7th Cir. 1968).
8See 408 F. Supp. 1219, 189 U.S.P.Q. 17 (D. Colo. 1976), aft' d and award modified, 561 F.2d 1365, 195 U.S.P.Q. 417 (lOth Cir. 1977), cert.dismissed, 434 U.S. 1052, 54 L. Ed. 2d 805, 98 S. Ct. 905 (1978).